40891895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{359}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 57024000

約数和(自身を除く): 16132105

約数列:

[1, 5, 11, 19, 55, 95, 109, 209, 359, 545, 1045, 1199, 1795, 2071, 3949, 5995, 6821, 10355, 19745, 22781, 34105, 39131, 75031, 113905, 195655, 375155, 430441, 743489, 2152205, 3717445, 8178379, 40891895]

約数ペア:

[(1, 40891895), (5, 8178379), (11, 3717445), (19, 2152205), (55, 743489), (95, 430441), (109, 375155), (209, 195655), (359, 113905), (545, 75031), (1045, 39131), (1199, 34105), (1795, 22781), (2071, 19745), (3949, 10355), (5995, 6821)]