208068680

素因数分解:

$2^3\times 5^1\times {\mathrm{5201717}}^1$

素因数の和:5201728

約数の個数: 16

約数和(自身を含む): 468154620

約数和(自身を除く): 260085940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5201717, 10403434, 20806868, 26008585, 41613736, 52017170, 104034340, 208068680]

約数ペア:

[(1, 208068680), (2, 104034340), (4, 52017170), (5, 41613736), (8, 26008585), (10, 20806868), (20, 10403434), (40, 5201717)]