39884048

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1999}}^1$

素因数の和:2079

約数の個数: 40

約数和(自身を含む): 81840000

約数和(自身を除く): 41955952

約数列:

[1, 2, 4, 8, 16, 29, 43, 58, 86, 116, 172, 232, 344, 464, 688, 1247, 1999, 2494, 3998, 4988, 7996, 9976, 15992, 19952, 31984, 57971, 85957, 115942, 171914, 231884, 343828, 463768, 687656, 927536, 1375312, 2492753, 4985506, 9971012, 19942024, 39884048]

約数ペア:

[(1, 39884048), (2, 19942024), (4, 9971012), (8, 4985506), (16, 2492753), (29, 1375312), (43, 927536), (58, 687656), (86, 463768), (116, 343828), (172, 231884), (232, 171914), (344, 115942), (464, 85957), (688, 57971), (1247, 31984), (1999, 19952), (2494, 15992), (3998, 9976), (4988, 7996)]