538757620

素因数分解:

$2^2\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{24691}}^1$

素因数の和:25791

約数の個数: 24

約数和(自身を含む): 1132473888

約数和(自身を除く): 593716268

約数列:

[1, 2, 4, 5, 10, 20, 1091, 2182, 4364, 5455, 10910, 21820, 24691, 49382, 98764, 123455, 246910, 493820, 26937881, 53875762, 107751524, 134689405, 269378810, 538757620]

約数ペア:

[(1, 538757620), (2, 269378810), (4, 134689405), (5, 107751524), (10, 53875762), (20, 26937881), (1091, 493820), (2182, 246910), (4364, 123455), (5455, 98764), (10910, 49382), (21820, 24691)]