248826440

素因数分解:

$2^3\times 5^1\times {\mathrm{6220661}}^1$

素因数の和:6220672

約数の個数: 16

約数和(自身を含む): 559859580

約数和(自身を除く): 311033140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6220661, 12441322, 24882644, 31103305, 49765288, 62206610, 124413220, 248826440]

約数ペア:

[(1, 248826440), (2, 124413220), (4, 62206610), (5, 49765288), (8, 31103305), (10, 24882644), (20, 12441322), (40, 6220661)]