2100081640

素因数分解:

$2^3\times 5^1\times {\mathrm{52502041}}^1$

素因数の和:52502052

約数の個数: 16

約数和(自身を含む): 4725183780

約数和(自身を除く): 2625102140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 52502041, 105004082, 210008164, 262510205, 420016328, 525020410, 1050040820, 2100081640]

約数ペア:

[(1, 2100081640), (2, 1050040820), (4, 525020410), (5, 420016328), (8, 262510205), (10, 210008164), (20, 105004082), (40, 52502041)]