What are the total number of divisors of 600(including 1 and 600)?
24
40
16
20
Explanation:
If N=ap $\times$ bq $\times$ cr.... then the number of factors of N = (p+1)(q+1)(r+1) ....
600 = 23 $\times$ 3 $\times$ 52
So number of factors of 600 = (3+1)(1+1)(2+1) = 24