123428080

素因数分解:

$2^4\times 5^1\times {\mathrm{1542851}}^1$

素因数の和:1542864

約数の個数: 20

約数和(自身を含む): 286970472

約数和(自身を除く): 163542392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1542851, 3085702, 6171404, 7714255, 12342808, 15428510, 24685616, 30857020, 61714040, 123428080]

約数ペア:

[(1, 123428080), (2, 61714040), (4, 30857020), (5, 24685616), (8, 15428510), (10, 12342808), (16, 7714255), (20, 6171404), (40, 3085702), (80, 1542851)]