8080240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1$

素因数の和:374

約数の個数: 80

約数和(自身を含む): 21998592

約数和(自身を除く): 13918352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 307, 329, 376, 470, 560, 614, 658, 752, 940, 1228, 1316, 1535, 1645, 1880, 2149, 2456, 2632, 3070, 3290, 3760, 4298, 4912, 5264, 6140, 6580, 8596, 10745, 12280, 13160, 14429, 17192, 21490, 24560, 26320, 28858, 34384, 42980, 57716, 72145, 85960, 101003, 115432, 144290, 171920, 202006, 230864, 288580, 404012, 505015, 577160, 808024, 1010030, 1154320, 1616048, 2020060, 4040120, 8080240]

約数ペア:

[(1, 8080240), (2, 4040120), (4, 2020060), (5, 1616048), (7, 1154320), (8, 1010030), (10, 808024), (14, 577160), (16, 505015), (20, 404012), (28, 288580), (35, 230864), (40, 202006), (47, 171920), (56, 144290), (70, 115432), (80, 101003), (94, 85960), (112, 72145), (140, 57716), (188, 42980), (235, 34384), (280, 28858), (307, 26320), (329, 24560), (376, 21490), (470, 17192), (560, 14429), (614, 13160), (658, 12280), (752, 10745), (940, 8596), (1228, 6580), (1316, 6140), (1535, 5264), (1645, 4912), (1880, 4298), (2149, 3760), (2456, 3290), (2632, 3070)]