40390180

素因数分解:

$2^2\times 5^1\times {\mathrm{859}}^1\times {\mathrm{2351}}^1$

素因数の和:3219

約数の個数: 24

約数和(自身を含む): 84954240

約数和(自身を除く): 44564060

約数列:

[1, 2, 4, 5, 10, 20, 859, 1718, 2351, 3436, 4295, 4702, 8590, 9404, 11755, 17180, 23510, 47020, 2019509, 4039018, 8078036, 10097545, 20195090, 40390180]

約数ペア:

[(1, 40390180), (2, 20195090), (4, 10097545), (5, 8078036), (10, 4039018), (20, 2019509), (859, 47020), (1718, 23510), (2351, 17180), (3436, 11755), (4295, 9404), (4702, 8590)]