56731460

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{20407}}^1$

素因数の和:20555

約数の個数: 24

約数和(自身を含む): 119999040

約数和(自身を除く): 63267580

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 20407, 40814, 81628, 102035, 204070, 408140, 2836573, 5673146, 11346292, 14182865, 28365730, 56731460]

約数ペア:

[(1, 56731460), (2, 28365730), (4, 14182865), (5, 11346292), (10, 5673146), (20, 2836573), (139, 408140), (278, 204070), (556, 102035), (695, 81628), (1390, 40814), (2780, 20407)]