208517360

素因数分解:

$2^4\times 5^1\times {\mathrm{1181}}^1\times {\mathrm{2207}}^1$

素因数の和:3401

約数の個数: 40

約数和(自身を含む): 485433216

約数和(自身を除く): 276915856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1181, 2207, 2362, 4414, 4724, 5905, 8828, 9448, 11035, 11810, 17656, 18896, 22070, 23620, 35312, 44140, 47240, 88280, 94480, 176560, 2606467, 5212934, 10425868, 13032335, 20851736, 26064670, 41703472, 52129340, 104258680, 208517360]

約数ペア:

[(1, 208517360), (2, 104258680), (4, 52129340), (5, 41703472), (8, 26064670), (10, 20851736), (16, 13032335), (20, 10425868), (40, 5212934), (80, 2606467), (1181, 176560), (2207, 94480), (2362, 88280), (4414, 47240), (4724, 44140), (5905, 35312), (8828, 23620), (9448, 22070), (11035, 18896), (11810, 17656)]