25212440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{57301}}^1$

素因数の和:57323

約数の個数: 32

約数和(自身を含む): 61886160

約数和(自身を除く): 36673720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 57301, 114602, 229204, 286505, 458408, 573010, 630311, 1146020, 1260622, 2292040, 2521244, 3151555, 5042488, 6303110, 12606220, 25212440]

約数ペア:

[(1, 25212440), (2, 12606220), (4, 6303110), (5, 5042488), (8, 3151555), (10, 2521244), (11, 2292040), (20, 1260622), (22, 1146020), (40, 630311), (44, 573010), (55, 458408), (88, 286505), (110, 229204), (220, 114602), (440, 57301)]