2008880

素因数分解:

$2^4\times 5^1\times {\mathrm{25111}}^1$

素因数の和:25124

約数の個数: 20

約数和(自身を含む): 4670832

約数和(自身を除く): 2661952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25111, 50222, 100444, 125555, 200888, 251110, 401776, 502220, 1004440, 2008880]

約数ペア:

[(1, 2008880), (2, 1004440), (4, 502220), (5, 401776), (8, 251110), (10, 200888), (16, 125555), (20, 100444), (40, 50222), (80, 25111)]