56556440

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{6701}}^1$

素因数の和:6923

約数の個数: 32

約数和(自身を含む): 127874160

約数和(自身を除く): 71317720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 6701, 8440, 13402, 26804, 33505, 53608, 67010, 134020, 268040, 1413911, 2827822, 5655644, 7069555, 11311288, 14139110, 28278220, 56556440]

約数ペア:

[(1, 56556440), (2, 28278220), (4, 14139110), (5, 11311288), (8, 7069555), (10, 5655644), (20, 2827822), (40, 1413911), (211, 268040), (422, 134020), (844, 67010), (1055, 53608), (1688, 33505), (2110, 26804), (4220, 13402), (6701, 8440)]