40620625

素因数分解:

$5^4\times {\mathrm{103}}^1\times {\mathrm{631}}^1$

素因数の和:754

約数の個数: 20

約数和(自身を含む): 51333568

約数和(自身を除く): 10712943

約数列:

[1, 5, 25, 103, 125, 515, 625, 631, 2575, 3155, 12875, 15775, 64375, 64993, 78875, 324965, 394375, 1624825, 8124125, 40620625]

約数ペア:

[(1, 40620625), (5, 8124125), (25, 1624825), (103, 394375), (125, 324965), (515, 78875), (625, 64993), (631, 64375), (2575, 15775), (3155, 12875)]