1121080

素因数分解:

$2^3\times 5^1\times {\mathrm{28027}}^1$

素因数の和:28038

約数の個数: 16

約数和(自身を含む): 2522520

約数和(自身を除く): 1401440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 28027, 56054, 112108, 140135, 224216, 280270, 560540, 1121080]

約数ペア:

[(1, 1121080), (2, 560540), (4, 280270), (5, 224216), (8, 140135), (10, 112108), (20, 56054), (40, 28027)]