CAT
Exam
number of divisiors of the number 80000
Read Solution (Total 4)
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- Concept-N=(a^p)*(b^q)... where a, b... are prime factorization
the total no. of divisors = (p+1)(q+1)....
80000= (2^7)*(5^4)
no. of divisors = (7+1)(4+1)=8*5= 40 (ANS)
- 12 years agoHelpfull: Yes(3) No(0)
- 40 finding factors of the no by factorization
- 12 years agoHelpfull: Yes(2) No(3)
- its 28 ... it is divided by 1,2,4,5,8,10 ,20,30,40,50,80..........2000,4000,8000,10000,20000,40000,80000
- 12 years agoHelpfull: Yes(0) No(2)
- i think its would be like this...so ans 40
1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 400, 500, 625, 640, 800, 1000, 1250, 1600, 2000, 2500, 3200, 4000, 5000, 8000, 10000, 16000, 20000, 40000, 80000 - 12 years agoHelpfull: Yes(0) No(1)
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