28563110

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{20549}}^1$

素因数の和:20695

約数の個数: 16

約数和(自身を含む): 51786000

約数和(自身を除く): 23222890

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 20549, 41098, 102745, 205490, 2856311, 5712622, 14281555, 28563110]

約数ペア:

[(1, 28563110), (2, 14281555), (5, 5712622), (10, 2856311), (139, 205490), (278, 102745), (695, 41098), (1390, 20549)]