9950060

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{997}}^1$

素因数の和:1505

約数の個数: 24

約数和(自身を含む): 20958000

約数和(自身を除く): 11007940

約数列:

[1, 2, 4, 5, 10, 20, 499, 997, 998, 1994, 1996, 2495, 3988, 4985, 4990, 9970, 9980, 19940, 497503, 995006, 1990012, 2487515, 4975030, 9950060]

約数ペア:

[(1, 9950060), (2, 4975030), (4, 2487515), (5, 1990012), (10, 995006), (20, 497503), (499, 19940), (997, 9980), (998, 9970), (1994, 4990), (1996, 4985), (2495, 3988)]