56220440

素因数分解:

$2^3\times 5^1\times {\mathrm{1405511}}^1$

素因数の和:1405522

約数の個数: 16

約数和(自身を含む): 126496080

約数和(自身を除く): 70275640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1405511, 2811022, 5622044, 7027555, 11244088, 14055110, 28110220, 56220440]

約数ペア:

[(1, 56220440), (2, 28110220), (4, 14055110), (5, 11244088), (8, 7027555), (10, 5622044), (20, 2811022), (40, 1405511)]