2016256720

素因数分解:

$2^4\times 5^1\times {\mathrm{25203209}}^1$

素因数の和:25203222

約数の個数: 20

約数和(自身を含む): 4687797060

約数和(自身を除く): 2671540340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25203209, 50406418, 100812836, 126016045, 201625672, 252032090, 403251344, 504064180, 1008128360, 2016256720]

約数ペア:

[(1, 2016256720), (2, 1008128360), (4, 504064180), (5, 403251344), (8, 252032090), (10, 201625672), (16, 126016045), (20, 100812836), (40, 50406418), (80, 25203209)]