451891640

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{47269}}^1$

素因数の和:47519

約数の個数: 32

約数和(自身を含む): 1021032000

約数和(自身を除く): 569140360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4780, 9560, 47269, 94538, 189076, 236345, 378152, 472690, 945380, 1890760, 11297291, 22594582, 45189164, 56486455, 90378328, 112972910, 225945820, 451891640]

約数ペア:

[(1, 451891640), (2, 225945820), (4, 112972910), (5, 90378328), (8, 56486455), (10, 45189164), (20, 22594582), (40, 11297291), (239, 1890760), (478, 945380), (956, 472690), (1195, 378152), (1912, 236345), (2390, 189076), (4780, 94538), (9560, 47269)]