12507620

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1451}}^1$

素因数の和:1891

約数の個数: 24

約数和(自身を含む): 26345088

約数和(自身を除く): 13837468

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 1451, 1724, 2155, 2902, 4310, 5804, 7255, 8620, 14510, 29020, 625381, 1250762, 2501524, 3126905, 6253810, 12507620]

約数ペア:

[(1, 12507620), (2, 6253810), (4, 3126905), (5, 2501524), (10, 1250762), (20, 625381), (431, 29020), (862, 14510), (1451, 8620), (1724, 7255), (2155, 5804), (2902, 4310)]