55980500

素因数分解:

$2^2\times 5^3\times {\mathrm{103}}^1\times {\mathrm{1087}}^1$

素因数の和:1209

約数の個数: 48

約数和(自身を含む): 123561984

約数和(自身を除く): 67581484

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 103, 125, 206, 250, 412, 500, 515, 1030, 1087, 2060, 2174, 2575, 4348, 5150, 5435, 10300, 10870, 12875, 21740, 25750, 27175, 51500, 54350, 108700, 111961, 135875, 223922, 271750, 447844, 543500, 559805, 1119610, 2239220, 2799025, 5598050, 11196100, 13995125, 27990250, 55980500]

約数ペア:

[(1, 55980500), (2, 27990250), (4, 13995125), (5, 11196100), (10, 5598050), (20, 2799025), (25, 2239220), (50, 1119610), (100, 559805), (103, 543500), (125, 447844), (206, 271750), (250, 223922), (412, 135875), (500, 111961), (515, 108700), (1030, 54350), (1087, 51500), (2060, 27175), (2174, 25750), (2575, 21740), (4348, 12875), (5150, 10870), (5435, 10300)]