20161550

素因数分解:

$2^1\times 5^2\times {\mathrm{269}}^1\times {\mathrm{1499}}^1$

素因数の和:1780

約数の個数: 24

約数和(自身を含む): 37665000

約数和(自身を除く): 17503450

約数列:

[1, 2, 5, 10, 25, 50, 269, 538, 1345, 1499, 2690, 2998, 6725, 7495, 13450, 14990, 37475, 74950, 403231, 806462, 2016155, 4032310, 10080775, 20161550]

約数ペア:

[(1, 20161550), (2, 10080775), (5, 4032310), (10, 2016155), (25, 806462), (50, 403231), (269, 74950), (538, 37475), (1345, 14990), (1499, 13450), (2690, 7495), (2998, 6725)]