140203960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269623}}^1$

素因数の和:269647

約数の個数: 32

約数和(自身を含む): 339726240

約数和(自身を除く): 199522280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 269623, 539246, 1078492, 1348115, 2156984, 2696230, 3505099, 5392460, 7010198, 10784920, 14020396, 17525495, 28040792, 35050990, 70101980, 140203960]

約数ペア:

[(1, 140203960), (2, 70101980), (4, 35050990), (5, 28040792), (8, 17525495), (10, 14020396), (13, 10784920), (20, 7010198), (26, 5392460), (40, 3505099), (52, 2696230), (65, 2156984), (104, 1348115), (130, 1078492), (260, 539246), (520, 269623)]