12740660

素因数分解:

$2^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{2251}}^1$

素因数の和:2543

約数の個数: 24

約数和(自身を含む): 26861856

約数和(自身を除く): 14121196

約数列:

[1, 2, 4, 5, 10, 20, 283, 566, 1132, 1415, 2251, 2830, 4502, 5660, 9004, 11255, 22510, 45020, 637033, 1274066, 2548132, 3185165, 6370330, 12740660]

約数ペア:

[(1, 12740660), (2, 6370330), (4, 3185165), (5, 2548132), (10, 1274066), (20, 637033), (283, 45020), (566, 22510), (1132, 11255), (1415, 9004), (2251, 5660), (2830, 4502)]