12528820

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{3461}}^1$

素因数の和:3651

約数の個数: 24

約数和(自身を含む): 26463528

約数和(自身を除く): 13934708

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3461, 3620, 6922, 13844, 17305, 34610, 69220, 626441, 1252882, 2505764, 3132205, 6264410, 12528820]

約数ペア:

[(1, 12528820), (2, 6264410), (4, 3132205), (5, 2505764), (10, 1252882), (20, 626441), (181, 69220), (362, 34610), (724, 17305), (905, 13844), (1810, 6922), (3461, 3620)]