12561620

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1499}}^1$

素因数の和:1927

約数の個数: 24

約数和(自身を含む): 26460000

約数和(自身を除く): 13898380

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1499, 1676, 2095, 2998, 4190, 5996, 7495, 8380, 14990, 29980, 628081, 1256162, 2512324, 3140405, 6280810, 12561620]

約数ペア:

[(1, 12561620), (2, 6280810), (4, 3140405), (5, 2512324), (10, 1256162), (20, 628081), (419, 29980), (838, 14990), (1499, 8380), (1676, 7495), (2095, 5996), (2998, 4190)]