12128780

素因数分解:

$2^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1327}}^1$

素因数の和:1793

約数の個数: 24

約数和(自身を含む): 25545408

約数和(自身を除く): 13416628

約数列:

[1, 2, 4, 5, 10, 20, 457, 914, 1327, 1828, 2285, 2654, 4570, 5308, 6635, 9140, 13270, 26540, 606439, 1212878, 2425756, 3032195, 6064390, 12128780]

約数ペア:

[(1, 12128780), (2, 6064390), (4, 3032195), (5, 2425756), (10, 1212878), (20, 606439), (457, 26540), (914, 13270), (1327, 9140), (1828, 6635), (2285, 5308), (2654, 4570)]