56691580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257689}}^1$

素因数の和:257709

約数の個数: 24

約数和(自身を含む): 129875760

約数和(自身を除く): 73184180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 257689, 515378, 1030756, 1288445, 2576890, 2834579, 5153780, 5669158, 11338316, 14172895, 28345790, 56691580]

約数ペア:

[(1, 56691580), (2, 28345790), (4, 14172895), (5, 11338316), (10, 5669158), (11, 5153780), (20, 2834579), (22, 2576890), (44, 1288445), (55, 1030756), (110, 515378), (220, 257689)]