77605520

素因数分解:

$2^4\times 5^1\times {\mathrm{970069}}^1$

素因数の和:970082

約数の個数: 20

約数和(自身を含む): 180433020

約数和(自身を除く): 102827500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 970069, 1940138, 3880276, 4850345, 7760552, 9700690, 15521104, 19401380, 38802760, 77605520]

約数ペア:

[(1, 77605520), (2, 38802760), (4, 19401380), (5, 15521104), (8, 9700690), (10, 7760552), (16, 4850345), (20, 3880276), (40, 1940138), (80, 970069)]