12513740

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1999}}^1$

素因数の和:2321

約数の個数: 24

約数和(自身を含む): 26376000

約数和(自身を除く): 13862260

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 1999, 3130, 3998, 6260, 7996, 9995, 19990, 39980, 625687, 1251374, 2502748, 3128435, 6256870, 12513740]

約数ペア:

[(1, 12513740), (2, 6256870), (4, 3128435), (5, 2502748), (10, 1251374), (20, 625687), (313, 39980), (626, 19990), (1252, 9995), (1565, 7996), (1999, 6260), (3130, 3998)]