39764920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{76471}}^1$

素因数の和:76495

約数の個数: 32

約数和(自身を含む): 96354720

約数和(自身を除く): 56589800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 76471, 152942, 305884, 382355, 611768, 764710, 994123, 1529420, 1988246, 3058840, 3976492, 4970615, 7952984, 9941230, 19882460, 39764920]

約数ペア:

[(1, 39764920), (2, 19882460), (4, 9941230), (5, 7952984), (8, 4970615), (10, 3976492), (13, 3058840), (20, 1988246), (26, 1529420), (40, 994123), (52, 764710), (65, 611768), (104, 382355), (130, 305884), (260, 152942), (520, 76471)]