2215691920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2130473}}^1$

素因数の和:2130499

約数の個数: 40

約数和(自身を含む): 5547754296

約数和(自身を除く): 3332062376

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2130473, 4260946, 8521892, 10652365, 17043784, 21304730, 27696149, 34087568, 42609460, 55392298, 85218920, 110784596, 138480745, 170437840, 221569192, 276961490, 443138384, 553922980, 1107845960, 2215691920]

約数ペア:

[(1, 2215691920), (2, 1107845960), (4, 553922980), (5, 443138384), (8, 276961490), (10, 221569192), (13, 170437840), (16, 138480745), (20, 110784596), (26, 85218920), (40, 55392298), (52, 42609460), (65, 34087568), (80, 27696149), (104, 21304730), (130, 17043784), (208, 10652365), (260, 8521892), (520, 4260946), (1040, 2130473)]