42407140

素因数分解:

$2^2\times 5^1\times {\mathrm{757}}^1\times {\mathrm{2801}}^1$

素因数の和:3567

約数の個数: 24

約数和(自身を含む): 89204472

約数和(自身を除く): 46797332

約数列:

[1, 2, 4, 5, 10, 20, 757, 1514, 2801, 3028, 3785, 5602, 7570, 11204, 14005, 15140, 28010, 56020, 2120357, 4240714, 8481428, 10601785, 21203570, 42407140]

約数ペア:

[(1, 42407140), (2, 21203570), (4, 10601785), (5, 8481428), (10, 4240714), (20, 2120357), (757, 56020), (1514, 28010), (2801, 15140), (3028, 14005), (3785, 11204), (5602, 7570)]