56647580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257489}}^1$

素因数の和:257509

約数の個数: 24

約数和(自身を含む): 129774960

約数和(自身を除く): 73127380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 257489, 514978, 1029956, 1287445, 2574890, 2832379, 5149780, 5664758, 11329516, 14161895, 28323790, 56647580]

約数ペア:

[(1, 56647580), (2, 28323790), (4, 14161895), (5, 11329516), (10, 5664758), (11, 5149780), (20, 2832379), (22, 2574890), (44, 1287445), (55, 1029956), (110, 514978), (220, 257489)]