2021759080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{64717}}^1$

素因数の和:64810

約数の個数: 64

約数和(自身を含む): 5032471680

約数和(自身を除く): 3010712600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 440, 568, 710, 781, 1420, 1562, 2840, 3124, 3905, 6248, 7810, 15620, 31240, 64717, 129434, 258868, 323585, 517736, 647170, 711887, 1294340, 1423774, 2588680, 2847548, 3559435, 4594907, 5695096, 7118870, 9189814, 14237740, 18379628, 22974535, 28475480, 36759256, 45949070, 50543977, 91898140, 101087954, 183796280, 202175908, 252719885, 404351816, 505439770, 1010879540, 2021759080]

約数ペア:

[(1, 2021759080), (2, 1010879540), (4, 505439770), (5, 404351816), (8, 252719885), (10, 202175908), (11, 183796280), (20, 101087954), (22, 91898140), (40, 50543977), (44, 45949070), (55, 36759256), (71, 28475480), (88, 22974535), (110, 18379628), (142, 14237740), (220, 9189814), (284, 7118870), (355, 5695096), (440, 4594907), (568, 3559435), (710, 2847548), (781, 2588680), (1420, 1423774), (1562, 1294340), (2840, 711887), (3124, 647170), (3905, 517736), (6248, 323585), (7810, 258868), (15620, 129434), (31240, 64717)]