11855140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53887}}^1$

素因数の和:53907

約数の個数: 24

約数和(自身を含む): 27159552

約数和(自身を除く): 15304412

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 53887, 107774, 215548, 269435, 538870, 592757, 1077740, 1185514, 2371028, 2963785, 5927570, 11855140]

約数ペア:

[(1, 11855140), (2, 5927570), (4, 2963785), (5, 2371028), (10, 1185514), (11, 1077740), (20, 592757), (22, 538870), (44, 269435), (55, 215548), (110, 107774), (220, 53887)]