205079080

素因数分解:

$2^3\times 5^1\times {\mathrm{5126977}}^1$

素因数の和:5126988

約数の個数: 16

約数和(自身を含む): 461428020

約数和(自身を除く): 256348940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5126977, 10253954, 20507908, 25634885, 41015816, 51269770, 102539540, 205079080]

約数ペア:

[(1, 205079080), (2, 102539540), (4, 51269770), (5, 41015816), (8, 25634885), (10, 20507908), (20, 10253954), (40, 5126977)]