1428080

素因数分解:

$2^4\times 5^1\times {\mathrm{17851}}^1$

素因数の和:17864

約数の個数: 20

約数和(自身を含む): 3320472

約数和(自身を除く): 1892392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 17851, 35702, 71404, 89255, 142808, 178510, 285616, 357020, 714040, 1428080]

約数ペア:

[(1, 1428080), (2, 714040), (4, 357020), (5, 285616), (8, 178510), (10, 142808), (16, 89255), (20, 71404), (40, 35702), (80, 17851)]