87820625

素因数分解:

$5^4\times {\mathrm{227}}^1\times {\mathrm{619}}^1$

素因数の和:866

約数の個数: 20

約数和(自身を含む): 110402160

約数和(自身を除く): 22581535

約数列:

[1, 5, 25, 125, 227, 619, 625, 1135, 3095, 5675, 15475, 28375, 77375, 140513, 141875, 386875, 702565, 3512825, 17564125, 87820625]

約数ペア:

[(1, 87820625), (5, 17564125), (25, 3512825), (125, 702565), (227, 386875), (619, 141875), (625, 140513), (1135, 77375), (3095, 28375), (5675, 15475)]