56720680

素因数分解:

$2^3\times 5^1\times {\mathrm{919}}^1\times {\mathrm{1543}}^1$

素因数の和:2473

約数の個数: 32

約数和(自身を含む): 127843200

約数和(自身を除く): 71122520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 919, 1543, 1838, 3086, 3676, 4595, 6172, 7352, 7715, 9190, 12344, 15430, 18380, 30860, 36760, 61720, 1418017, 2836034, 5672068, 7090085, 11344136, 14180170, 28360340, 56720680]

約数ペア:

[(1, 56720680), (2, 28360340), (4, 14180170), (5, 11344136), (8, 7090085), (10, 5672068), (20, 2836034), (40, 1418017), (919, 61720), (1543, 36760), (1838, 30860), (3086, 18380), (3676, 15430), (4595, 12344), (6172, 9190), (7352, 7715)]