205759520

素因数分解:

$2^5\times 5^1\times {\mathrm{547}}^1\times {\mathrm{2351}}^1$

素因数の和:2913

約数の個数: 48

約数和(自身を含む): 487202688

約数和(自身を除く): 281443168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 547, 1094, 2188, 2351, 2735, 4376, 4702, 5470, 8752, 9404, 10940, 11755, 17504, 18808, 21880, 23510, 37616, 43760, 47020, 75232, 87520, 94040, 188080, 376160, 1285997, 2571994, 5143988, 6429985, 10287976, 12859970, 20575952, 25719940, 41151904, 51439880, 102879760, 205759520]

約数ペア:

[(1, 205759520), (2, 102879760), (4, 51439880), (5, 41151904), (8, 25719940), (10, 20575952), (16, 12859970), (20, 10287976), (32, 6429985), (40, 5143988), (80, 2571994), (160, 1285997), (547, 376160), (1094, 188080), (2188, 94040), (2351, 87520), (2735, 75232), (4376, 47020), (4702, 43760), (5470, 37616), (8752, 23510), (9404, 21880), (10940, 18808), (11755, 17504)]