42405625

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{3571}}^1$

素因数の和:3610

約数の個数: 20

約数和(自身を含む): 55794640

約数和(自身を除く): 13389015

約数列:

[1, 5, 19, 25, 95, 125, 475, 625, 2375, 3571, 11875, 17855, 67849, 89275, 339245, 446375, 1696225, 2231875, 8481125, 42405625]

約数ペア:

[(1, 42405625), (5, 8481125), (19, 2231875), (25, 1696225), (95, 446375), (125, 339245), (475, 89275), (625, 67849), (2375, 17855), (3571, 11875)]