38709820

素因数分解:

$2^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{2801}}^1$

素因数の和:3501

約数の個数: 24

約数和(自身を含む): 81437328

約数和(自身を除く): 42727508

約数列:

[1, 2, 4, 5, 10, 20, 691, 1382, 2764, 2801, 3455, 5602, 6910, 11204, 13820, 14005, 28010, 56020, 1935491, 3870982, 7741964, 9677455, 19354910, 38709820]

約数ペア:

[(1, 38709820), (2, 19354910), (4, 9677455), (5, 7741964), (10, 3870982), (20, 1935491), (691, 56020), (1382, 28010), (2764, 14005), (2801, 13820), (3455, 11204), (5602, 6910)]