11405540

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{1171}}^1$

素因数の和:1667

約数の個数: 24

約数和(自身を含む): 24021312

約数和(自身を除く): 12615772

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1171, 1948, 2342, 2435, 4684, 4870, 5855, 9740, 11710, 23420, 570277, 1140554, 2281108, 2851385, 5702770, 11405540]

約数ペア:

[(1, 11405540), (2, 5702770), (4, 2851385), (5, 2281108), (10, 1140554), (20, 570277), (487, 23420), (974, 11710), (1171, 9740), (1948, 5855), (2342, 4870), (2435, 4684)]