12697520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1$

素因数の和:378

約数の個数: 80

約数和(自身を含む): 32997888

約数和(自身を除く): 20300368

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 47, 55, 80, 88, 94, 110, 176, 188, 220, 235, 307, 376, 440, 470, 517, 614, 752, 880, 940, 1034, 1228, 1535, 1880, 2068, 2456, 2585, 3070, 3377, 3760, 4136, 4912, 5170, 6140, 6754, 8272, 10340, 12280, 13508, 14429, 16885, 20680, 24560, 27016, 28858, 33770, 41360, 54032, 57716, 67540, 72145, 115432, 135080, 144290, 158719, 230864, 270160, 288580, 317438, 577160, 634876, 793595, 1154320, 1269752, 1587190, 2539504, 3174380, 6348760, 12697520]

約数ペア:

[(1, 12697520), (2, 6348760), (4, 3174380), (5, 2539504), (8, 1587190), (10, 1269752), (11, 1154320), (16, 793595), (20, 634876), (22, 577160), (40, 317438), (44, 288580), (47, 270160), (55, 230864), (80, 158719), (88, 144290), (94, 135080), (110, 115432), (176, 72145), (188, 67540), (220, 57716), (235, 54032), (307, 41360), (376, 33770), (440, 28858), (470, 27016), (517, 24560), (614, 20680), (752, 16885), (880, 14429), (940, 13508), (1034, 12280), (1228, 10340), (1535, 8272), (1880, 6754), (2068, 6140), (2456, 5170), (2585, 4912), (3070, 4136), (3377, 3760)]