2051298160

素因数分解:

$2^4\times 5^1\times {\mathrm{25641227}}^1$

素因数の和:25641240

約数の個数: 20

約数和(自身を含む): 4769268408

約数和(自身を除く): 2717970248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25641227, 51282454, 102564908, 128206135, 205129816, 256412270, 410259632, 512824540, 1025649080, 2051298160]

約数ペア:

[(1, 2051298160), (2, 1025649080), (4, 512824540), (5, 410259632), (8, 256412270), (10, 205129816), (16, 128206135), (20, 102564908), (40, 51282454), (80, 25641227)]