85756520

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{15649}}^1$

素因数の和:15797

約数の個数: 32

約数和(自身を含む): 194373000

約数和(自身を除く): 108616480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 15649, 31298, 62596, 78245, 125192, 156490, 312980, 625960, 2143913, 4287826, 8575652, 10719565, 17151304, 21439130, 42878260, 85756520]

約数ペア:

[(1, 85756520), (2, 42878260), (4, 21439130), (5, 17151304), (8, 10719565), (10, 8575652), (20, 4287826), (40, 2143913), (137, 625960), (274, 312980), (548, 156490), (685, 125192), (1096, 78245), (1370, 62596), (2740, 31298), (5480, 15649)]