225800

素因数分解:

$2^3\times 5^2\times {\mathrm{1129}}^1$

素因数の和:1145

約数の個数: 24

約数和(自身を含む): 525450

約数和(自身を除く): 299650

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 1129, 2258, 4516, 5645, 9032, 11290, 22580, 28225, 45160, 56450, 112900, 225800]

約数ペア:

[(1, 225800), (2, 112900), (4, 56450), (5, 45160), (8, 28225), (10, 22580), (20, 11290), (25, 9032), (40, 5645), (50, 4516), (100, 2258), (200, 1129)]