87642040

素因数分解:

$2^3\times 5^1\times {\mathrm{2191051}}^1$

素因数の和:2191062

約数の個数: 16

約数和(自身を含む): 197194680

約数和(自身を除く): 109552640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2191051, 4382102, 8764204, 10955255, 17528408, 21910510, 43821020, 87642040]

約数ペア:

[(1, 87642040), (2, 43821020), (4, 21910510), (5, 17528408), (8, 10955255), (10, 8764204), (20, 4382102), (40, 2191051)]