2007800

素因数分解:

$2^3\times 5^2\times {\mathrm{10039}}^1$

素因数の和:10055

約数の個数: 24

約数和(自身を含む): 4668600

約数和(自身を除く): 2660800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 10039, 20078, 40156, 50195, 80312, 100390, 200780, 250975, 401560, 501950, 1003900, 2007800]

約数ペア:

[(1, 2007800), (2, 1003900), (4, 501950), (5, 401560), (8, 250975), (10, 200780), (20, 100390), (25, 80312), (40, 50195), (50, 40156), (100, 20078), (200, 10039)]