205126720

素因数分解:

$2^6\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1447}}^1$

素因数の和:1907

約数の個数: 56

約数和(自身を含む): 489898944

約数和(自身を除く): 284772224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 443, 886, 1447, 1772, 2215, 2894, 3544, 4430, 5788, 7088, 7235, 8860, 11576, 14176, 14470, 17720, 23152, 28352, 28940, 35440, 46304, 57880, 70880, 92608, 115760, 141760, 231520, 463040, 641021, 1282042, 2564084, 3205105, 5128168, 6410210, 10256336, 12820420, 20512672, 25640840, 41025344, 51281680, 102563360, 205126720]

約数ペア:

[(1, 205126720), (2, 102563360), (4, 51281680), (5, 41025344), (8, 25640840), (10, 20512672), (16, 12820420), (20, 10256336), (32, 6410210), (40, 5128168), (64, 3205105), (80, 2564084), (160, 1282042), (320, 641021), (443, 463040), (886, 231520), (1447, 141760), (1772, 115760), (2215, 92608), (2894, 70880), (3544, 57880), (4430, 46304), (5788, 35440), (7088, 28940), (7235, 28352), (8860, 23152), (11576, 17720), (14176, 14470)]