2139330640

素因数分解:

$2^4\times 5^1\times {\mathrm{26741633}}^1$

素因数の和:26741646

約数の個数: 20

約数和(自身を含む): 4973943924

約数和(自身を除く): 2834613284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 26741633, 53483266, 106966532, 133708165, 213933064, 267416330, 427866128, 534832660, 1069665320, 2139330640]

約数ペア:

[(1, 2139330640), (2, 1069665320), (4, 534832660), (5, 427866128), (8, 267416330), (10, 213933064), (16, 133708165), (20, 106966532), (40, 53483266), (80, 26741633)]