40654040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{145193}}^1$

素因数の和:145211

約数の個数: 32

約数和(自身を含む): 104539680

約数和(自身を除く): 63885640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 145193, 290386, 580772, 725965, 1016351, 1161544, 1451930, 2032702, 2903860, 4065404, 5081755, 5807720, 8130808, 10163510, 20327020, 40654040]

約数ペア:

[(1, 40654040), (2, 20327020), (4, 10163510), (5, 8130808), (7, 5807720), (8, 5081755), (10, 4065404), (14, 2903860), (20, 2032702), (28, 1451930), (35, 1161544), (40, 1016351), (56, 725965), (70, 580772), (140, 290386), (280, 145193)]