2615691280

素因数分解:

$2^4\times 5^1\times {\mathrm{32696141}}^1$

素因数の和:32696154

約数の個数: 20

約数和(自身を含む): 6081482412

約数和(自身を除く): 3465791132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 32696141, 65392282, 130784564, 163480705, 261569128, 326961410, 523138256, 653922820, 1307845640, 2615691280]

約数ペア:

[(1, 2615691280), (2, 1307845640), (4, 653922820), (5, 523138256), (8, 326961410), (10, 261569128), (16, 163480705), (20, 130784564), (40, 65392282), (80, 32696141)]