28598960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:390

約数の個数: 80

約数和(自身を含む): 72557856

約数和(自身を除く): 43958896

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 107, 130, 208, 214, 257, 260, 428, 514, 520, 535, 856, 1028, 1040, 1070, 1285, 1391, 1712, 2056, 2140, 2570, 2782, 3341, 4112, 4280, 5140, 5564, 6682, 6955, 8560, 10280, 11128, 13364, 13910, 16705, 20560, 22256, 26728, 27499, 27820, 33410, 53456, 54998, 55640, 66820, 109996, 111280, 133640, 137495, 219992, 267280, 274990, 357487, 439984, 549980, 714974, 1099960, 1429948, 1787435, 2199920, 2859896, 3574870, 5719792, 7149740, 14299480, 28598960]

約数ペア:

[(1, 28598960), (2, 14299480), (4, 7149740), (5, 5719792), (8, 3574870), (10, 2859896), (13, 2199920), (16, 1787435), (20, 1429948), (26, 1099960), (40, 714974), (52, 549980), (65, 439984), (80, 357487), (104, 274990), (107, 267280), (130, 219992), (208, 137495), (214, 133640), (257, 111280), (260, 109996), (428, 66820), (514, 55640), (520, 54998), (535, 53456), (856, 33410), (1028, 27820), (1040, 27499), (1070, 26728), (1285, 22256), (1391, 20560), (1712, 16705), (2056, 13910), (2140, 13364), (2570, 11128), (2782, 10280), (3341, 8560), (4112, 6955), (4280, 6682), (5140, 5564)]