12855860

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1451}}^1$

素因数の和:1903

約数の個数: 24

約数和(自身を含む): 27076896

約数和(自身を除く): 14221036

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1451, 1772, 2215, 2902, 4430, 5804, 7255, 8860, 14510, 29020, 642793, 1285586, 2571172, 3213965, 6427930, 12855860]

約数ペア:

[(1, 12855860), (2, 6427930), (4, 3213965), (5, 2571172), (10, 1285586), (20, 642793), (443, 29020), (886, 14510), (1451, 8860), (1772, 7255), (2215, 5804), (2902, 4430)]