8458125320

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1939937}}^1$

素因数の和:1940057

約数の個数: 32

約数和(自身を含む): 19205386200

約数和(自身を除く): 10747260880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 1939937, 3879874, 7759748, 9699685, 15519496, 19399370, 38798740, 77597480, 211453133, 422906266, 845812532, 1057265665, 1691625064, 2114531330, 4229062660, 8458125320]

約数ペア:

[(1, 8458125320), (2, 4229062660), (4, 2114531330), (5, 1691625064), (8, 1057265665), (10, 845812532), (20, 422906266), (40, 211453133), (109, 77597480), (218, 38798740), (436, 19399370), (545, 15519496), (872, 9699685), (1090, 7759748), (2180, 3879874), (4360, 1939937)]