12515560

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2251}}^1$

素因数の和:2401

約数の個数: 32

約数和(自身を含む): 28375200

約数和(自身を除く): 15859640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2251, 2780, 4502, 5560, 9004, 11255, 18008, 22510, 45020, 90040, 312889, 625778, 1251556, 1564445, 2503112, 3128890, 6257780, 12515560]

約数ペア:

[(1, 12515560), (2, 6257780), (4, 3128890), (5, 2503112), (8, 1564445), (10, 1251556), (20, 625778), (40, 312889), (139, 90040), (278, 45020), (556, 22510), (695, 18008), (1112, 11255), (1390, 9004), (2251, 5560), (2780, 4502)]