129483940

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{39719}}^1$

素因数の和:39891

約数の個数: 24

約数和(自身を含む): 273591360

約数和(自身を除く): 144107420

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 39719, 79438, 158876, 198595, 397190, 794380, 6474197, 12948394, 25896788, 32370985, 64741970, 129483940]

約数ペア:

[(1, 129483940), (2, 64741970), (4, 32370985), (5, 25896788), (10, 12948394), (20, 6474197), (163, 794380), (326, 397190), (652, 198595), (815, 158876), (1630, 79438), (3260, 39719)]