103968640

素因数分解:

$2^7\times 5^1\times {\mathrm{162451}}^1$

素因数の和:162470

約数の個数: 32

約数和(自身を含む): 248551560

約数和(自身を除く): 144582920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 162451, 324902, 649804, 812255, 1299608, 1624510, 2599216, 3249020, 5198432, 6498040, 10396864, 12996080, 20793728, 25992160, 51984320, 103968640]

約数ペア:

[(1, 103968640), (2, 51984320), (4, 25992160), (5, 20793728), (8, 12996080), (10, 10396864), (16, 6498040), (20, 5198432), (32, 3249020), (40, 2599216), (64, 1624510), (80, 1299608), (128, 812255), (160, 649804), (320, 324902), (640, 162451)]