9787280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:216

約数の個数: 80

約数和(自身を含む): 24641280

約数和(自身を除く): 14854000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 47, 76, 80, 94, 95, 137, 152, 188, 190, 235, 274, 304, 376, 380, 470, 548, 685, 752, 760, 893, 940, 1096, 1370, 1520, 1786, 1880, 2192, 2603, 2740, 3572, 3760, 4465, 5206, 5480, 6439, 7144, 8930, 10412, 10960, 12878, 13015, 14288, 17860, 20824, 25756, 26030, 32195, 35720, 41648, 51512, 52060, 64390, 71440, 103024, 104120, 122341, 128780, 208240, 244682, 257560, 489364, 515120, 611705, 978728, 1223410, 1957456, 2446820, 4893640, 9787280]

約数ペア:

[(1, 9787280), (2, 4893640), (4, 2446820), (5, 1957456), (8, 1223410), (10, 978728), (16, 611705), (19, 515120), (20, 489364), (38, 257560), (40, 244682), (47, 208240), (76, 128780), (80, 122341), (94, 104120), (95, 103024), (137, 71440), (152, 64390), (188, 52060), (190, 51512), (235, 41648), (274, 35720), (304, 32195), (376, 26030), (380, 25756), (470, 20824), (548, 17860), (685, 14288), (752, 13015), (760, 12878), (893, 10960), (940, 10412), (1096, 8930), (1370, 7144), (1520, 6439), (1786, 5480), (1880, 5206), (2192, 4465), (2603, 3760), (2740, 3572)]