8688040

素因数分解:

$2^3\times 5^1\times {\mathrm{217201}}^1$

素因数の和:217212

約数の個数: 16

約数和(自身を含む): 19548180

約数和(自身を除く): 10860140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 217201, 434402, 868804, 1086005, 1737608, 2172010, 4344020, 8688040]

約数ペア:

[(1, 8688040), (2, 4344020), (4, 2172010), (5, 1737608), (8, 1086005), (10, 868804), (20, 434402), (40, 217201)]