2112860

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1187}}^1$

素因数の和:1285

約数の個数: 24

約数和(自身を含む): 4490640

約数和(自身を除く): 2377780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1187, 1780, 2374, 4748, 5935, 11870, 23740, 105643, 211286, 422572, 528215, 1056430, 2112860]

約数ペア:

[(1, 2112860), (2, 1056430), (4, 528215), (5, 422572), (10, 211286), (20, 105643), (89, 23740), (178, 11870), (356, 5935), (445, 4748), (890, 2374), (1187, 1780)]