40125220

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{6451}}^1$

素因数の和:6771

約数の個数: 24

約数和(自身を含む): 84547008

約数和(自身を除く): 44421788

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 6220, 6451, 12902, 25804, 32255, 64510, 129020, 2006261, 4012522, 8025044, 10031305, 20062610, 40125220]

約数ペア:

[(1, 40125220), (2, 20062610), (4, 10031305), (5, 8025044), (10, 4012522), (20, 2006261), (311, 129020), (622, 64510), (1244, 32255), (1555, 25804), (3110, 12902), (6220, 6451)]