12722860

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{5009}}^1$

素因数の和:5145

約数の個数: 24

約数和(自身を含む): 26933760

約数和(自身を除く): 14210900

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 5009, 10018, 20036, 25045, 50090, 100180, 636143, 1272286, 2544572, 3180715, 6361430, 12722860]

約数ペア:

[(1, 12722860), (2, 6361430), (4, 3180715), (5, 2544572), (10, 1272286), (20, 636143), (127, 100180), (254, 50090), (508, 25045), (635, 20036), (1270, 10018), (2540, 5009)]