2009043860

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{201307}}^1$

素因数の和:201815

約数の個数: 24

約数和(自身を含む): 4227468000

約数和(自身を除く): 2218424140

約数列:

[1, 2, 4, 5, 10, 20, 499, 998, 1996, 2495, 4990, 9980, 201307, 402614, 805228, 1006535, 2013070, 4026140, 100452193, 200904386, 401808772, 502260965, 1004521930, 2009043860]

約数ペア:

[(1, 2009043860), (2, 1004521930), (4, 502260965), (5, 401808772), (10, 200904386), (20, 100452193), (499, 4026140), (998, 2013070), (1996, 1006535), (2495, 805228), (4990, 402614), (9980, 201307)]