2201991280

素因数分解:

$2^4\times 5^1\times {\mathrm{27524891}}^1$

素因数の和:27524904

約数の個数: 20

約数和(自身を含む): 5119629912

約数和(自身を除く): 2917638632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 27524891, 55049782, 110099564, 137624455, 220199128, 275248910, 440398256, 550497820, 1100995640, 2201991280]

約数ペア:

[(1, 2201991280), (2, 1100995640), (4, 550497820), (5, 440398256), (8, 275248910), (10, 220199128), (16, 137624455), (20, 110099564), (40, 55049782), (80, 27524891)]