2018472880

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{249811}}^1$

素因数の和:249925

約数の個数: 40

約数和(自身を含む): 4739433264

約数和(自身を除く): 2720960384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 249811, 499622, 999244, 1249055, 1998488, 2498110, 3996976, 4996220, 9992440, 19984880, 25230911, 50461822, 100923644, 126154555, 201847288, 252309110, 403694576, 504618220, 1009236440, 2018472880]

約数ペア:

[(1, 2018472880), (2, 1009236440), (4, 504618220), (5, 403694576), (8, 252309110), (10, 201847288), (16, 126154555), (20, 100923644), (40, 50461822), (80, 25230911), (101, 19984880), (202, 9992440), (404, 4996220), (505, 3996976), (808, 2498110), (1010, 1998488), (1616, 1249055), (2020, 999244), (4040, 499622), (8080, 249811)]