248902540

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{23887}}^1$

素因数の和:24417

約数の個数: 24

約数和(自身を含む): 523720512

約数和(自身を除く): 274817972

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 2084, 2605, 5210, 10420, 23887, 47774, 95548, 119435, 238870, 477740, 12445127, 24890254, 49780508, 62225635, 124451270, 248902540]

約数ペア:

[(1, 248902540), (2, 124451270), (4, 62225635), (5, 49780508), (10, 24890254), (20, 12445127), (521, 477740), (1042, 238870), (2084, 119435), (2605, 95548), (5210, 47774), (10420, 23887)]