2051800

素因数分解:

$2^3\times 5^2\times {\mathrm{10259}}^1$

素因数の和:10275

約数の個数: 24

約数和(自身を含む): 4770900

約数和(自身を除く): 2719100

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 10259, 20518, 41036, 51295, 82072, 102590, 205180, 256475, 410360, 512950, 1025900, 2051800]

約数ペア:

[(1, 2051800), (2, 1025900), (4, 512950), (5, 410360), (8, 256475), (10, 205180), (20, 102590), (25, 82072), (40, 51295), (50, 41036), (100, 20518), (200, 10259)]