71518360

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{7481}}^1$

素因数の和:7731

約数の個数: 32

約数和(自身を含む): 161611200

約数和(自身を除く): 90092840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4780, 7481, 9560, 14962, 29924, 37405, 59848, 74810, 149620, 299240, 1787959, 3575918, 7151836, 8939795, 14303672, 17879590, 35759180, 71518360]

約数ペア:

[(1, 71518360), (2, 35759180), (4, 17879590), (5, 14303672), (8, 8939795), (10, 7151836), (20, 3575918), (40, 1787959), (239, 299240), (478, 149620), (956, 74810), (1195, 59848), (1912, 37405), (2390, 29924), (4780, 14962), (7481, 9560)]