85520

素因数分解:

$2^4\times 5^1\times {\mathrm{1069}}^1$

素因数の和:1082

約数の個数: 20

約数和(自身を含む): 199020

約数和(自身を除く): 113500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1069, 2138, 4276, 5345, 8552, 10690, 17104, 21380, 42760, 85520]

約数ペア:

[(1, 85520), (2, 42760), (4, 21380), (5, 17104), (8, 10690), (10, 8552), (16, 5345), (20, 4276), (40, 2138), (80, 1069)]