55042160

素因数分解:

$2^4\times 5^1\times {\mathrm{688027}}^1$

素因数の和:688040

約数の個数: 20

約数和(自身を含む): 127973208

約数和(自身を除く): 72931048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 688027, 1376054, 2752108, 3440135, 5504216, 6880270, 11008432, 13760540, 27521080, 55042160]

約数ペア:

[(1, 55042160), (2, 27521080), (4, 13760540), (5, 11008432), (8, 6880270), (10, 5504216), (16, 3440135), (20, 2752108), (40, 1376054), (80, 688027)]