2001200

素因数分解:

$2^4\times 5^2\times {\mathrm{5003}}^1$

素因数の和:5021

約数の個数: 30

約数和(自身を含む): 4808844

約数和(自身を除く): 2807644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 5003, 10006, 20012, 25015, 40024, 50030, 80048, 100060, 125075, 200120, 250150, 400240, 500300, 1000600, 2001200]

約数ペア:

[(1, 2001200), (2, 1000600), (4, 500300), (5, 400240), (8, 250150), (10, 200120), (16, 125075), (20, 100060), (25, 80048), (40, 50030), (50, 40024), (80, 25015), (100, 20012), (200, 10006), (400, 5003)]