20571985280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{417451}}^1$

素因数の和:417488

約数の個数: 128

約数和(自身を含む): 61315349760

約数和(自身を除く): 40743364480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 640, 704, 770, 880, 896, 1120, 1232, 1408, 1540, 1760, 2240, 2464, 3080, 3520, 4480, 4928, 6160, 7040, 9856, 12320, 24640, 49280, 417451, 834902, 1669804, 2087255, 2922157, 3339608, 4174510, 4591961, 5844314, 6679216, 8349020, 9183922, 11688628, 13358432, 14610785, 16698040, 18367844, 22959805, 23377256, 26716864, 29221570, 32143727, 33396080, 36735688, 45919610, 46754512, 53433728, 58443140, 64287454, 66792160, 73471376, 91839220, 93509024, 116886280, 128574908, 133584320, 146942752, 160718635, 183678440, 187018048, 233772560, 257149816, 267168640, 293885504, 321437270, 367356880, 374036096, 467545120, 514299632, 587771008, 642874540, 734713760, 935090240, 1028599264, 1285749080, 1469427520, 1870180480, 2057198528, 2571498160, 2938855040, 4114397056, 5142996320, 10285992640, 20571985280]

約数ペア:

[(1, 20571985280), (2, 10285992640), (4, 5142996320), (5, 4114397056), (7, 2938855040), (8, 2571498160), (10, 2057198528), (11, 1870180480), (14, 1469427520), (16, 1285749080), (20, 1028599264), (22, 935090240), (28, 734713760), (32, 642874540), (35, 587771008), (40, 514299632), (44, 467545120), (55, 374036096), (56, 367356880), (64, 321437270), (70, 293885504), (77, 267168640), (80, 257149816), (88, 233772560), (110, 187018048), (112, 183678440), (128, 160718635), (140, 146942752), (154, 133584320), (160, 128574908), (176, 116886280), (220, 93509024), (224, 91839220), (280, 73471376), (308, 66792160), (320, 64287454), (352, 58443140), (385, 53433728), (440, 46754512), (448, 45919610), (560, 36735688), (616, 33396080), (640, 32143727), (704, 29221570), (770, 26716864), (880, 23377256), (896, 22959805), (1120, 18367844), (1232, 16698040), (1408, 14610785), (1540, 13358432), (1760, 11688628), (2240, 9183922), (2464, 8349020), (3080, 6679216), (3520, 5844314), (4480, 4591961), (4928, 4174510), (6160, 3339608), (7040, 2922157), (9856, 2087255), (12320, 1669804), (24640, 834902), (49280, 417451)]