Question

The number of all positive odd divisors of $17500$ is

• A. $5$
• B. $8$
• C. $9$
• D. $10$

Answer 1

Answer: (D)

$17500=2^2\times 5^4\times 7$
$\therefore$ Number of all positive odd divisors of $17500$
$=(4+1)(1+1)$
$=10$