68804140

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{25111}}^1$

素因数の和:25257

約数の個数: 24

約数和(自身を含む): 145549152

約数和(自身を除く): 76745012

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 25111, 50222, 100444, 125555, 251110, 502220, 3440207, 6880414, 13760828, 17201035, 34402070, 68804140]

約数ペア:

[(1, 68804140), (2, 34402070), (4, 17201035), (5, 13760828), (10, 6880414), (20, 3440207), (137, 502220), (274, 251110), (548, 125555), (685, 100444), (1370, 50222), (2740, 25111)]