80550520

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{14699}}^1$

素因数の和:14847

約数の個数: 32

約数和(自身を含む): 182574000

約数和(自身を除く): 102023480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 14699, 29398, 58796, 73495, 117592, 146990, 293980, 587960, 2013763, 4027526, 8055052, 10068815, 16110104, 20137630, 40275260, 80550520]

約数ペア:

[(1, 80550520), (2, 40275260), (4, 20137630), (5, 16110104), (8, 10068815), (10, 8055052), (20, 4027526), (40, 2013763), (137, 587960), (274, 293980), (548, 146990), (685, 117592), (1096, 73495), (1370, 58796), (2740, 29398), (5480, 14699)]