2228080

素因数分解:

$2^4\times 5^1\times {\mathrm{27851}}^1$

素因数の和:27864

約数の個数: 20

約数和(自身を含む): 5180472

約数和(自身を除く): 2952392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 27851, 55702, 111404, 139255, 222808, 278510, 445616, 557020, 1114040, 2228080]

約数ペア:

[(1, 2228080), (2, 1114040), (4, 557020), (5, 445616), (8, 278510), (10, 222808), (16, 139255), (20, 111404), (40, 55702), (80, 27851)]