Question

Determine how many distinct divisors the number 520

Q: Answer-Determine how many distinct divisors the number 520 has.

Factors for a given number 520 are 2 x 2 x 5 x 2 x 13 23 x 5 x 13 When a number N is represented as N ap X bq X cr...... where a, b and c are primes, then total number of factors of N p 1 X q 1 X r 1..... So, total number of factors 3 1 X 1 1 X 1 1 4 X 2 X 2 16 Hence, option c.