205024180

素因数分解:

$2^2\times 5^1\times {\mathrm{1871}}^1\times {\mathrm{5479}}^1$

素因数の和:7359

約数の個数: 24

約数和(自身を含む): 430859520

約数和(自身を除く): 225835340

約数列:

[1, 2, 4, 5, 10, 20, 1871, 3742, 5479, 7484, 9355, 10958, 18710, 21916, 27395, 37420, 54790, 109580, 10251209, 20502418, 41004836, 51256045, 102512090, 205024180]

約数ペア:

[(1, 205024180), (2, 102512090), (4, 51256045), (5, 41004836), (10, 20502418), (20, 10251209), (1871, 109580), (3742, 54790), (5479, 37420), (7484, 27395), (9355, 21916), (10958, 18710)]