8077940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31069}}^1$

素因数の和:31091

約数の個数: 24

約数和(自身を含む): 18269160

約数和(自身を除く): 10191220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 31069, 62138, 124276, 155345, 310690, 403897, 621380, 807794, 1615588, 2019485, 4038970, 8077940]

約数ペア:

[(1, 8077940), (2, 4038970), (4, 2019485), (5, 1615588), (10, 807794), (13, 621380), (20, 403897), (26, 310690), (52, 155345), (65, 124276), (130, 62138), (260, 31069)]