204700960

素因数分解:

$2^5\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1291}}^1$

素因数の和:2297

約数の個数: 48

約数和(自身を含む): 484468992

約数和(自身を除く): 279768032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 991, 1291, 1982, 2582, 3964, 4955, 5164, 6455, 7928, 9910, 10328, 12910, 15856, 19820, 20656, 25820, 31712, 39640, 41312, 51640, 79280, 103280, 158560, 206560, 1279381, 2558762, 5117524, 6396905, 10235048, 12793810, 20470096, 25587620, 40940192, 51175240, 102350480, 204700960]

約数ペア:

[(1, 204700960), (2, 102350480), (4, 51175240), (5, 40940192), (8, 25587620), (10, 20470096), (16, 12793810), (20, 10235048), (32, 6396905), (40, 5117524), (80, 2558762), (160, 1279381), (991, 206560), (1291, 158560), (1982, 103280), (2582, 79280), (3964, 51640), (4955, 41312), (5164, 39640), (6455, 31712), (7928, 25820), (9910, 20656), (10328, 19820), (12910, 15856)]