130278520

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^2\times {\mathrm{307}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 296964360

約数和(自身を除く): 166685840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 307, 412, 515, 614, 824, 1030, 1228, 1535, 2060, 2456, 3070, 4120, 6140, 10609, 12280, 21218, 31621, 42436, 53045, 63242, 84872, 106090, 126484, 158105, 212180, 252968, 316210, 424360, 632420, 1264840, 3256963, 6513926, 13027852, 16284815, 26055704, 32569630, 65139260, 130278520]

約数ペア:

[(1, 130278520), (2, 65139260), (4, 32569630), (5, 26055704), (8, 16284815), (10, 13027852), (20, 6513926), (40, 3256963), (103, 1264840), (206, 632420), (307, 424360), (412, 316210), (515, 252968), (614, 212180), (824, 158105), (1030, 126484), (1228, 106090), (1535, 84872), (2060, 63242), (2456, 53045), (3070, 42436), (4120, 31621), (6140, 21218), (10609, 12280)]