2019925520

素因数分解:

$2^4\times 5^1\times {\mathrm{25249069}}^1$

素因数の和:25249082

約数の個数: 20

約数和(自身を含む): 4696327020

約数和(自身を除く): 2676401500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25249069, 50498138, 100996276, 126245345, 201992552, 252490690, 403985104, 504981380, 1009962760, 2019925520]

約数ペア:

[(1, 2019925520), (2, 1009962760), (4, 504981380), (5, 403985104), (8, 252490690), (10, 201992552), (16, 126245345), (20, 100996276), (40, 50498138), (80, 25249069)]