138789040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{133451}}^1$

素因数の和:133477

約数の個数: 40

約数和(自身を含む): 347509008

約数和(自身を除く): 208719968

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 133451, 266902, 533804, 667255, 1067608, 1334510, 1734863, 2135216, 2669020, 3469726, 5338040, 6939452, 8674315, 10676080, 13878904, 17348630, 27757808, 34697260, 69394520, 138789040]

約数ペア:

[(1, 138789040), (2, 69394520), (4, 34697260), (5, 27757808), (8, 17348630), (10, 13878904), (13, 10676080), (16, 8674315), (20, 6939452), (26, 5338040), (40, 3469726), (52, 2669020), (65, 2135216), (80, 1734863), (104, 1334510), (130, 1067608), (208, 667255), (260, 533804), (520, 266902), (1040, 133451)]