105647560

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{257}}^1$

素因数の和:550

約数の個数: 64

約数和(自身を含む): 245203200

約数和(自身を除く): 139555640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 239, 257, 344, 430, 478, 514, 860, 956, 1028, 1195, 1285, 1720, 1912, 2056, 2390, 2570, 4780, 5140, 9560, 10277, 10280, 11051, 20554, 22102, 41108, 44204, 51385, 55255, 61423, 82216, 88408, 102770, 110510, 122846, 205540, 221020, 245692, 307115, 411080, 442040, 491384, 614230, 1228460, 2456920, 2641189, 5282378, 10564756, 13205945, 21129512, 26411890, 52823780, 105647560]

約数ペア:

[(1, 105647560), (2, 52823780), (4, 26411890), (5, 21129512), (8, 13205945), (10, 10564756), (20, 5282378), (40, 2641189), (43, 2456920), (86, 1228460), (172, 614230), (215, 491384), (239, 442040), (257, 411080), (344, 307115), (430, 245692), (478, 221020), (514, 205540), (860, 122846), (956, 110510), (1028, 102770), (1195, 88408), (1285, 82216), (1720, 61423), (1912, 55255), (2056, 51385), (2390, 44204), (2570, 41108), (4780, 22102), (5140, 20554), (9560, 11051), (10277, 10280)]