28875920

素因数分解:

$2^4\times 5^1\times {\mathrm{360949}}^1$

素因数の和:360962

約数の個数: 20

約数和(自身を含む): 67136700

約数和(自身を除く): 38260780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 360949, 721898, 1443796, 1804745, 2887592, 3609490, 5775184, 7218980, 14437960, 28875920]

約数ペア:

[(1, 28875920), (2, 14437960), (4, 7218980), (5, 5775184), (8, 3609490), (10, 2887592), (16, 1804745), (20, 1443796), (40, 721898), (80, 360949)]