12459080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 29393280

約数和(自身を除く): 16934200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 71, 82, 107, 142, 164, 205, 214, 284, 328, 355, 410, 428, 535, 568, 710, 820, 856, 1070, 1420, 1640, 2140, 2840, 2911, 4280, 4387, 5822, 7597, 8774, 11644, 14555, 15194, 17548, 21935, 23288, 29110, 30388, 35096, 37985, 43870, 58220, 60776, 75970, 87740, 116440, 151940, 175480, 303880, 311477, 622954, 1245908, 1557385, 2491816, 3114770, 6229540, 12459080]

約数ペア:

[(1, 12459080), (2, 6229540), (4, 3114770), (5, 2491816), (8, 1557385), (10, 1245908), (20, 622954), (40, 311477), (41, 303880), (71, 175480), (82, 151940), (107, 116440), (142, 87740), (164, 75970), (205, 60776), (214, 58220), (284, 43870), (328, 37985), (355, 35096), (410, 30388), (428, 29110), (535, 23288), (568, 21935), (710, 17548), (820, 15194), (856, 14555), (1070, 11644), (1420, 8774), (1640, 7597), (2140, 5822), (2840, 4387), (2911, 4280)]