808101860

素因数分解:

$2^2\times 5^1\times {\mathrm{2053}}^1\times {\mathrm{19681}}^1$

素因数の和:21743

約数の個数: 24

約数和(自身を含む): 1697926776

約数和(自身を除く): 889824916

約数列:

[1, 2, 4, 5, 10, 20, 2053, 4106, 8212, 10265, 19681, 20530, 39362, 41060, 78724, 98405, 196810, 393620, 40405093, 80810186, 161620372, 202025465, 404050930, 808101860]

約数ペア:

[(1, 808101860), (2, 404050930), (4, 202025465), (5, 161620372), (10, 80810186), (20, 40405093), (2053, 393620), (4106, 196810), (8212, 98405), (10265, 78724), (19681, 41060), (20530, 39362)]