2016865640

素因数分解:

$2^3\times 5^1\times {\mathrm{50421641}}^1$

素因数の和:50421652

約数の個数: 16

約数和(自身を含む): 4537947780

約数和(自身を除く): 2521082140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 50421641, 100843282, 201686564, 252108205, 403373128, 504216410, 1008432820, 2016865640]

約数ペア:

[(1, 2016865640), (2, 1008432820), (4, 504216410), (5, 403373128), (8, 252108205), (10, 201686564), (20, 100843282), (40, 50421641)]