66528040

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{6959}}^1$

素因数の和:7209

約数の個数: 32

約数和(自身を含む): 150336000

約数和(自身を除く): 83807960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4780, 6959, 9560, 13918, 27836, 34795, 55672, 69590, 139180, 278360, 1663201, 3326402, 6652804, 8316005, 13305608, 16632010, 33264020, 66528040]

約数ペア:

[(1, 66528040), (2, 33264020), (4, 16632010), (5, 13305608), (8, 8316005), (10, 6652804), (20, 3326402), (40, 1663201), (239, 278360), (478, 139180), (956, 69590), (1195, 55672), (1912, 34795), (2390, 27836), (4780, 13918), (6959, 9560)]