68804555440

素因数分解:

$2^4\times 5^1\times {\mathrm{860056943}}^1$

素因数の和:860056956

約数の個数: 20

約数和(自身を含む): 159970591584

約数和(自身を除く): 91166036144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 860056943, 1720113886, 3440227772, 4300284715, 6880455544, 8600569430, 13760911088, 17201138860, 34402277720, 68804555440]

約数ペア:

[(1, 68804555440), (2, 34402277720), (4, 17201138860), (5, 13760911088), (8, 8600569430), (10, 6880455544), (16, 4300284715), (20, 3440227772), (40, 1720113886), (80, 860056943)]