79724780

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{36571}}^1$

素因数の和:36689

約数の個数: 24

約数和(自身を含む): 168962640

約数和(自身を除く): 89237860

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 36571, 73142, 146284, 182855, 365710, 731420, 3986239, 7972478, 15944956, 19931195, 39862390, 79724780]

約数ペア:

[(1, 79724780), (2, 39862390), (4, 19931195), (5, 15944956), (10, 7972478), (20, 3986239), (109, 731420), (218, 365710), (436, 182855), (545, 146284), (1090, 73142), (2180, 36571)]