12226780

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{2207}}^1$

素因数の和:2493

約数の個数: 24

約数和(自身を含む): 25780608

約数和(自身を除く): 13553828

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2207, 2770, 4414, 5540, 8828, 11035, 22070, 44140, 611339, 1222678, 2445356, 3056695, 6113390, 12226780]

約数ペア:

[(1, 12226780), (2, 6113390), (4, 3056695), (5, 2445356), (10, 1222678), (20, 611339), (277, 44140), (554, 22070), (1108, 11035), (1385, 8828), (2207, 5540), (2770, 4414)]