28725520

素因数分解:

$2^4\times 5^1\times {\mathrm{359069}}^1$

素因数の和:359082

約数の個数: 20

約数和(自身を含む): 66787020

約数和(自身を除く): 38061500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 359069, 718138, 1436276, 1795345, 2872552, 3590690, 5745104, 7181380, 14362760, 28725520]

約数ペア:

[(1, 28725520), (2, 14362760), (4, 7181380), (5, 5745104), (8, 3590690), (10, 2872552), (16, 1795345), (20, 1436276), (40, 718138), (80, 359069)]