2016807280

素因数分解:

$2^4\times 5^1\times {\mathrm{25210091}}^1$

素因数の和:25210104

約数の個数: 20

約数和(自身を含む): 4689077112

約数和(自身を除く): 2672269832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25210091, 50420182, 100840364, 126050455, 201680728, 252100910, 403361456, 504201820, 1008403640, 2016807280]

約数ペア:

[(1, 2016807280), (2, 1008403640), (4, 504201820), (5, 403361456), (8, 252100910), (10, 201680728), (16, 126050455), (20, 100840364), (40, 50420182), (80, 25210091)]