100128440

素因数分解:

$2^3\times 5^1\times {\mathrm{2503211}}^1$

素因数の和:2503222

約数の個数: 16

約数和(自身を含む): 225289080

約数和(自身を除く): 125160640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2503211, 5006422, 10012844, 12516055, 20025688, 25032110, 50064220, 100128440]

約数ペア:

[(1, 100128440), (2, 50064220), (4, 25032110), (5, 20025688), (8, 12516055), (10, 10012844), (20, 5006422), (40, 2503211)]