1640580010

素因数分解:

$2^1\times 5^1\times {\mathrm{811}}^1\times {\mathrm{202291}}^1$

素因数の和:203109

約数の個数: 16

約数和(自身を含む): 2956699872

約数和(自身を除く): 1316119862

約数列:

[1, 2, 5, 10, 811, 1622, 4055, 8110, 202291, 404582, 1011455, 2022910, 164058001, 328116002, 820290005, 1640580010]

約数ペア:

[(1, 1640580010), (2, 820290005), (5, 328116002), (10, 164058001), (811, 2022910), (1622, 1011455), (4055, 404582), (8110, 202291)]