56638340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257447}}^1$

素因数の和:257467

約数の個数: 24

約数和(自身を含む): 129753792

約数和(自身を除く): 73115452

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 257447, 514894, 1029788, 1287235, 2574470, 2831917, 5148940, 5663834, 11327668, 14159585, 28319170, 56638340]

約数ペア:

[(1, 56638340), (2, 28319170), (4, 14159585), (5, 11327668), (10, 5663834), (11, 5148940), (20, 2831917), (22, 2574470), (44, 1287235), (55, 1029788), (110, 514894), (220, 257447)]