20161010825

素因数分解:

$5^2\times {\mathrm{113}}^1\times {\mathrm{409}}^1\times {\mathrm{17449}}^1$

素因数の和:17981

約数の個数: 24

約数和(自身を含む): 25284003000

約数和(自身を除く): 5122992175

約数列:

[1, 5, 25, 113, 409, 565, 2045, 2825, 10225, 17449, 46217, 87245, 231085, 436225, 1155425, 1971737, 7136641, 9858685, 35683205, 49293425, 178416025, 806440433, 4032202165, 20161010825]

約数ペア:

[(1, 20161010825), (5, 4032202165), (25, 806440433), (113, 178416025), (409, 49293425), (565, 35683205), (2045, 9858685), (2825, 7136641), (10225, 1971737), (17449, 1155425), (46217, 436225), (87245, 231085)]