18050800

素因数分解:

$2^4\times 5^2\times {\mathrm{45127}}^1$

素因数の和:45145

約数の個数: 30

約数和(自身を含む): 43368008

約数和(自身を除く): 25317208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 45127, 90254, 180508, 225635, 361016, 451270, 722032, 902540, 1128175, 1805080, 2256350, 3610160, 4512700, 9025400, 18050800]

約数ペア:

[(1, 18050800), (2, 9025400), (4, 4512700), (5, 3610160), (8, 2256350), (10, 1805080), (16, 1128175), (20, 902540), (25, 722032), (40, 451270), (50, 361016), (80, 225635), (100, 180508), (200, 90254), (400, 45127)]