85125520

素因数分解:

$2^4\times 5^1\times {\mathrm{1064069}}^1$

素因数の和:1064082

約数の個数: 20

約数和(自身を含む): 197917020

約数和(自身を除く): 112791500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1064069, 2128138, 4256276, 5320345, 8512552, 10640690, 17025104, 21281380, 42562760, 85125520]

約数ペア:

[(1, 85125520), (2, 42562760), (4, 21281380), (5, 17025104), (8, 10640690), (10, 8512552), (16, 5320345), (20, 4256276), (40, 2128138), (80, 1064069)]