22156677640

素因数分解:

$2^3\times 5^1\times {\mathrm{1543}}^1\times {\mathrm{358987}}^1$

素因数の和:360541

約数の個数: 32

約数和(自身を含む): 49884972480

約数和(自身を除く): 27728294840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1543, 3086, 6172, 7715, 12344, 15430, 30860, 61720, 358987, 717974, 1435948, 1794935, 2871896, 3589870, 7179740, 14359480, 553916941, 1107833882, 2215667764, 2769584705, 4431335528, 5539169410, 11078338820, 22156677640]

約数ペア:

[(1, 22156677640), (2, 11078338820), (4, 5539169410), (5, 4431335528), (8, 2769584705), (10, 2215667764), (20, 1107833882), (40, 553916941), (1543, 14359480), (3086, 7179740), (6172, 3589870), (7715, 2871896), (12344, 1794935), (15430, 1435948), (30860, 717974), (61720, 358987)]