20161887160

素因数分解:

$2^3\times 5^1\times {\mathrm{504047179}}^1$

素因数の和:504047190

約数の個数: 16

約数和(自身を含む): 45364246200

約数和(自身を除く): 25202359040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504047179, 1008094358, 2016188716, 2520235895, 4032377432, 5040471790, 10080943580, 20161887160]

約数ペア:

[(1, 20161887160), (2, 10080943580), (4, 5040471790), (5, 4032377432), (8, 2520235895), (10, 2016188716), (20, 1008094358), (40, 504047179)]