30978680

素因数分解:

$2^3\times 5^1\times {\mathrm{774467}}^1$

素因数の和:774478

約数の個数: 16

約数和(自身を含む): 69702120

約数和(自身を除く): 38723440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 774467, 1548934, 3097868, 3872335, 6195736, 7744670, 15489340, 30978680]

約数ペア:

[(1, 30978680), (2, 15489340), (4, 7744670), (5, 6195736), (8, 3872335), (10, 3097868), (20, 1548934), (40, 774467)]