425800

素因数分解:

$2^3\times 5^2\times {\mathrm{2129}}^1$

素因数の和:2145

約数の個数: 24

約数和(自身を含む): 990450

約数和(自身を除く): 564650

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 2129, 4258, 8516, 10645, 17032, 21290, 42580, 53225, 85160, 106450, 212900, 425800]

約数ペア:

[(1, 425800), (2, 212900), (4, 106450), (5, 85160), (8, 53225), (10, 42580), (20, 21290), (25, 17032), (40, 10645), (50, 8516), (100, 4258), (200, 2129)]