2019885520

素因数分解:

$2^4\times 5^1\times {\mathrm{479}}^1\times {\mathrm{52711}}^1$

素因数の和:53203

約数の個数: 40

約数和(自身を含む): 4706127360

約数和(自身を除く): 2686241840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 479, 958, 1916, 2395, 3832, 4790, 7664, 9580, 19160, 38320, 52711, 105422, 210844, 263555, 421688, 527110, 843376, 1054220, 2108440, 4216880, 25248569, 50497138, 100994276, 126242845, 201988552, 252485690, 403977104, 504971380, 1009942760, 2019885520]

約数ペア:

[(1, 2019885520), (2, 1009942760), (4, 504971380), (5, 403977104), (8, 252485690), (10, 201988552), (16, 126242845), (20, 100994276), (40, 50497138), (80, 25248569), (479, 4216880), (958, 2108440), (1916, 1054220), (2395, 843376), (3832, 527110), (4790, 421688), (7664, 263555), (9580, 210844), (19160, 105422), (38320, 52711)]