102812440

素因数分解:

$2^3\times 5^1\times {\mathrm{2570311}}^1$

素因数の和:2570322

約数の個数: 16

約数和(自身を含む): 231328080

約数和(自身を除く): 128515640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2570311, 5140622, 10281244, 12851555, 20562488, 25703110, 51406220, 102812440]

約数ペア:

[(1, 102812440), (2, 51406220), (4, 25703110), (5, 20562488), (8, 12851555), (10, 10281244), (20, 5140622), (40, 2570311)]