8421850

素因数分解:

$2^1\times 5^2\times {\mathrm{389}}^1\times {\mathrm{433}}^1$

素因数の和:834

約数の個数: 24

約数和(自身を含む): 15741180

約数和(自身を除く): 7319330

約数列:

[1, 2, 5, 10, 25, 50, 389, 433, 778, 866, 1945, 2165, 3890, 4330, 9725, 10825, 19450, 21650, 168437, 336874, 842185, 1684370, 4210925, 8421850]

約数ペア:

[(1, 8421850), (2, 4210925), (5, 1684370), (10, 842185), (25, 336874), (50, 168437), (389, 21650), (433, 19450), (778, 10825), (866, 9725), (1945, 4330), (2165, 3890)]