9950620

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1279}}^1$

素因数の和:1677

約数の個数: 24

約数和(自身を含む): 20966400

約数和(自身を除く): 11015780

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1279, 1556, 1945, 2558, 3890, 5116, 6395, 7780, 12790, 25580, 497531, 995062, 1990124, 2487655, 4975310, 9950620]

約数ペア:

[(1, 9950620), (2, 4975310), (4, 2487655), (5, 1990124), (10, 995062), (20, 497531), (389, 25580), (778, 12790), (1279, 7780), (1556, 6395), (1945, 5116), (2558, 3890)]