2021092880

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{587527}}^1$

素因数の和:587583

約数の個数: 40

約数和(自身を含む): 4808329152

約数和(自身を除く): 2787236272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 587527, 1175054, 2350108, 2937635, 4700216, 5875270, 9400432, 11750540, 23501080, 25263661, 47002160, 50527322, 101054644, 126318305, 202109288, 252636610, 404218576, 505273220, 1010546440, 2021092880]

約数ペア:

[(1, 2021092880), (2, 1010546440), (4, 505273220), (5, 404218576), (8, 252636610), (10, 202109288), (16, 126318305), (20, 101054644), (40, 50527322), (43, 47002160), (80, 25263661), (86, 23501080), (172, 11750540), (215, 9400432), (344, 5875270), (430, 4700216), (688, 2937635), (860, 2350108), (1720, 1175054), (3440, 587527)]