90878825

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{787}}^1$

素因数の和:977

約数の個数: 24

約数和(自身を含む): 117254400

約数和(自身を除く): 26375575

約数列:

[1, 5, 25, 31, 149, 155, 745, 775, 787, 3725, 3935, 4619, 19675, 23095, 24397, 115475, 117263, 121985, 586315, 609925, 2931575, 3635153, 18175765, 90878825]

約数ペア:

[(1, 90878825), (5, 18175765), (25, 3635153), (31, 2931575), (149, 609925), (155, 586315), (745, 121985), (775, 117263), (787, 115475), (3725, 24397), (3935, 23095), (4619, 19675)]