13138220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15277}}^1$

素因数の和:15329

約数の個数: 24

約数和(自身を含む): 28233744

約数和(自身を除く): 15095524

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 15277, 30554, 61108, 76385, 152770, 305540, 656911, 1313822, 2627644, 3284555, 6569110, 13138220]

約数ペア:

[(1, 13138220), (2, 6569110), (4, 3284555), (5, 2627644), (10, 1313822), (20, 656911), (43, 305540), (86, 152770), (172, 76385), (215, 61108), (430, 30554), (860, 15277)]