28459600

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^2\times {\mathrm{421}}^1$

素因数の和:465

約数の個数: 90

約数和(自身を含む): 74214186

約数和(自身を除く): 45754586

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 169, 200, 208, 260, 325, 338, 400, 421, 520, 650, 676, 842, 845, 1040, 1300, 1352, 1684, 1690, 2105, 2600, 2704, 3368, 3380, 4210, 4225, 5200, 5473, 6736, 6760, 8420, 8450, 10525, 10946, 13520, 16840, 16900, 21050, 21892, 27365, 33680, 33800, 42100, 43784, 54730, 67600, 71149, 84200, 87568, 109460, 136825, 142298, 168400, 218920, 273650, 284596, 355745, 437840, 547300, 569192, 711490, 1094600, 1138384, 1422980, 1778725, 2189200, 2845960, 3557450, 5691920, 7114900, 14229800, 28459600]

約数ペア:

[(1, 28459600), (2, 14229800), (4, 7114900), (5, 5691920), (8, 3557450), (10, 2845960), (13, 2189200), (16, 1778725), (20, 1422980), (25, 1138384), (26, 1094600), (40, 711490), (50, 569192), (52, 547300), (65, 437840), (80, 355745), (100, 284596), (104, 273650), (130, 218920), (169, 168400), (200, 142298), (208, 136825), (260, 109460), (325, 87568), (338, 84200), (400, 71149), (421, 67600), (520, 54730), (650, 43784), (676, 42100), (842, 33800), (845, 33680), (1040, 27365), (1300, 21892), (1352, 21050), (1684, 16900), (1690, 16840), (2105, 13520), (2600, 10946), (2704, 10525), (3368, 8450), (3380, 8420), (4210, 6760), (4225, 6736), (5200, 5473)]