205652320

素因数分解:

$2^5\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1297}}^1$

素因数の和:2303

約数の個数: 48

約数和(自身を含む): 486718848

約数和(自身を除く): 281066528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 991, 1297, 1982, 2594, 3964, 4955, 5188, 6485, 7928, 9910, 10376, 12970, 15856, 19820, 20752, 25940, 31712, 39640, 41504, 51880, 79280, 103760, 158560, 207520, 1285327, 2570654, 5141308, 6426635, 10282616, 12853270, 20565232, 25706540, 41130464, 51413080, 102826160, 205652320]

約数ペア:

[(1, 205652320), (2, 102826160), (4, 51413080), (5, 41130464), (8, 25706540), (10, 20565232), (16, 12853270), (20, 10282616), (32, 6426635), (40, 5141308), (80, 2570654), (160, 1285327), (991, 207520), (1297, 158560), (1982, 103760), (2594, 79280), (3964, 51880), (4955, 41504), (5188, 39640), (6485, 31712), (7928, 25940), (9910, 20752), (10376, 19820), (12970, 15856)]