51181120

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:188

約数の個数: 112

約数和(自身を含む): 129040128

約数和(自身を除く): 77859008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 47, 64, 80, 82, 83, 94, 160, 164, 166, 188, 205, 235, 320, 328, 332, 376, 410, 415, 470, 656, 664, 752, 820, 830, 940, 1312, 1328, 1504, 1640, 1660, 1880, 1927, 2624, 2656, 3008, 3280, 3320, 3403, 3760, 3854, 3901, 5312, 6560, 6640, 6806, 7520, 7708, 7802, 9635, 13120, 13280, 13612, 15040, 15416, 15604, 17015, 19270, 19505, 26560, 27224, 30832, 31208, 34030, 38540, 39010, 54448, 61664, 62416, 68060, 77080, 78020, 108896, 123328, 124832, 136120, 154160, 156040, 159941, 217792, 249664, 272240, 308320, 312080, 319882, 544480, 616640, 624160, 639764, 799705, 1088960, 1248320, 1279528, 1599410, 2559056, 3198820, 5118112, 6397640, 10236224, 12795280, 25590560, 51181120]

約数ペア:

[(1, 51181120), (2, 25590560), (4, 12795280), (5, 10236224), (8, 6397640), (10, 5118112), (16, 3198820), (20, 2559056), (32, 1599410), (40, 1279528), (41, 1248320), (47, 1088960), (64, 799705), (80, 639764), (82, 624160), (83, 616640), (94, 544480), (160, 319882), (164, 312080), (166, 308320), (188, 272240), (205, 249664), (235, 217792), (320, 159941), (328, 156040), (332, 154160), (376, 136120), (410, 124832), (415, 123328), (470, 108896), (656, 78020), (664, 77080), (752, 68060), (820, 62416), (830, 61664), (940, 54448), (1312, 39010), (1328, 38540), (1504, 34030), (1640, 31208), (1660, 30832), (1880, 27224), (1927, 26560), (2624, 19505), (2656, 19270), (3008, 17015), (3280, 15604), (3320, 15416), (3403, 15040), (3760, 13612), (3854, 13280), (3901, 13120), (5312, 9635), (6560, 7802), (6640, 7708), (6806, 7520)]