91118960

素因数分解:

$2^4\times 5^1\times {\mathrm{1138987}}^1$

素因数の和:1139000

約数の個数: 20

約数和(自身を含む): 211851768

約数和(自身を除く): 120732808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1138987, 2277974, 4555948, 5694935, 9111896, 11389870, 18223792, 22779740, 45559480, 91118960]

約数ペア:

[(1, 91118960), (2, 45559480), (4, 22779740), (5, 18223792), (8, 11389870), (10, 9111896), (16, 5694935), (20, 4555948), (40, 2277974), (80, 1138987)]