28468660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{129403}}^1$

素因数の和:129423

約数の個数: 24

約数和(自身を含む): 65219616

約数和(自身を除く): 36750956

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 129403, 258806, 517612, 647015, 1294030, 1423433, 2588060, 2846866, 5693732, 7117165, 14234330, 28468660]

約数ペア:

[(1, 28468660), (2, 14234330), (4, 7117165), (5, 5693732), (10, 2846866), (11, 2588060), (20, 1423433), (22, 1294030), (44, 647015), (55, 517612), (110, 258806), (220, 129403)]