11294680

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 26671680

約数和(自身を除く): 15377000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 71, 82, 97, 142, 164, 194, 205, 284, 328, 355, 388, 410, 485, 568, 710, 776, 820, 970, 1420, 1640, 1940, 2840, 2911, 3880, 3977, 5822, 6887, 7954, 11644, 13774, 14555, 15908, 19885, 23288, 27548, 29110, 31816, 34435, 39770, 55096, 58220, 68870, 79540, 116440, 137740, 159080, 275480, 282367, 564734, 1129468, 1411835, 2258936, 2823670, 5647340, 11294680]

約数ペア:

[(1, 11294680), (2, 5647340), (4, 2823670), (5, 2258936), (8, 1411835), (10, 1129468), (20, 564734), (40, 282367), (41, 275480), (71, 159080), (82, 137740), (97, 116440), (142, 79540), (164, 68870), (194, 58220), (205, 55096), (284, 39770), (328, 34435), (355, 31816), (388, 29110), (410, 27548), (485, 23288), (568, 19885), (710, 15908), (776, 14555), (820, 13774), (970, 11644), (1420, 7954), (1640, 6887), (1940, 5822), (2840, 3977), (2911, 3880)]