55108880

素因数分解:

$2^4\times 5^1\times {\mathrm{688861}}^1$

素因数の和:688874

約数の個数: 20

約数和(自身を含む): 128128332

約数和(自身を除く): 73019452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 688861, 1377722, 2755444, 3444305, 5510888, 6888610, 11021776, 13777220, 27554440, 55108880]

約数ペア:

[(1, 55108880), (2, 27554440), (4, 13777220), (5, 11021776), (8, 6888610), (10, 5510888), (16, 3444305), (20, 2755444), (40, 1377722), (80, 688861)]