13308860

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1627}}^1$

素因数の和:2045

約数の個数: 24

約数和(自身を含む): 28034160

約数和(自身を除く): 14725300

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1627, 1636, 2045, 3254, 4090, 6508, 8135, 8180, 16270, 32540, 665443, 1330886, 2661772, 3327215, 6654430, 13308860]

約数ペア:

[(1, 13308860), (2, 6654430), (4, 3327215), (5, 2661772), (10, 1330886), (20, 665443), (409, 32540), (818, 16270), (1627, 8180), (1636, 8135), (2045, 6508), (3254, 4090)]