90285320

素因数分解:

$2^3\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{2237}}^1$

素因数の和:3257

約数の個数: 32

約数和(自身を含む): 203434200

約数和(自身を除く): 113148880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1009, 2018, 2237, 4036, 4474, 5045, 8072, 8948, 10090, 11185, 17896, 20180, 22370, 40360, 44740, 89480, 2257133, 4514266, 9028532, 11285665, 18057064, 22571330, 45142660, 90285320]

約数ペア:

[(1, 90285320), (2, 45142660), (4, 22571330), (5, 18057064), (8, 11285665), (10, 9028532), (20, 4514266), (40, 2257133), (1009, 89480), (2018, 44740), (2237, 40360), (4036, 22370), (4474, 20180), (5045, 17896), (8072, 11185), (8948, 10090)]