515120

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:197

約数の個数: 40

約数和(自身を含む): 1232064

約数和(自身を除く): 716944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 137, 188, 235, 274, 376, 470, 548, 685, 752, 940, 1096, 1370, 1880, 2192, 2740, 3760, 5480, 6439, 10960, 12878, 25756, 32195, 51512, 64390, 103024, 128780, 257560, 515120]

約数ペア:

[(1, 515120), (2, 257560), (4, 128780), (5, 103024), (8, 64390), (10, 51512), (16, 32195), (20, 25756), (40, 12878), (47, 10960), (80, 6439), (94, 5480), (137, 3760), (188, 2740), (235, 2192), (274, 1880), (376, 1370), (470, 1096), (548, 940), (685, 752)]