87945625

素因数分解:

$5^4\times {\mathrm{223}}^1\times {\mathrm{631}}^1$

素因数の和:874

約数の個数: 20

約数和(自身を含む): 110564608

約数和(自身を除く): 22618983

約数列:

[1, 5, 25, 125, 223, 625, 631, 1115, 3155, 5575, 15775, 27875, 78875, 139375, 140713, 394375, 703565, 3517825, 17589125, 87945625]

約数ペア:

[(1, 87945625), (5, 17589125), (25, 3517825), (125, 703565), (223, 394375), (625, 140713), (631, 139375), (1115, 78875), (3155, 27875), (5575, 15775)]