90850360

素因数分解:

$2^3\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{2251}}^1$

素因数の和:3271

約数の個数: 32

約数和(自身を含む): 204706800

約数和(自身を除く): 113856440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1009, 2018, 2251, 4036, 4502, 5045, 8072, 9004, 10090, 11255, 18008, 20180, 22510, 40360, 45020, 90040, 2271259, 4542518, 9085036, 11356295, 18170072, 22712590, 45425180, 90850360]

約数ペア:

[(1, 90850360), (2, 45425180), (4, 22712590), (5, 18170072), (8, 11356295), (10, 9085036), (20, 4542518), (40, 2271259), (1009, 90040), (2018, 45020), (2251, 40360), (4036, 22510), (4502, 20180), (5045, 18008), (8072, 11255), (9004, 10090)]