38654540

素因数分解:

$2^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{2797}}^1$

素因数の和:3497

約数の個数: 24

約数和(自身を含む): 81321072

約数和(自身を除く): 42666532

約数列:

[1, 2, 4, 5, 10, 20, 691, 1382, 2764, 2797, 3455, 5594, 6910, 11188, 13820, 13985, 27970, 55940, 1932727, 3865454, 7730908, 9663635, 19327270, 38654540]

約数ペア:

[(1, 38654540), (2, 19327270), (4, 9663635), (5, 7730908), (10, 3865454), (20, 1932727), (691, 55940), (1382, 27970), (2764, 13985), (2797, 13820), (3455, 11188), (5594, 6910)]