20194458080

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2935241}}^1$

素因数の和:2935299

約数の個数: 48

約数和(自身を含む): 48818944944

約数和(自身を除く): 28624486864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 2935241, 5870482, 11740964, 14676205, 23481928, 29352410, 46963856, 58704820, 93927712, 117409640, 126215363, 234819280, 252430726, 469638560, 504861452, 631076815, 1009722904, 1262153630, 2019445808, 2524307260, 4038891616, 5048614520, 10097229040, 20194458080]

約数ペア:

[(1, 20194458080), (2, 10097229040), (4, 5048614520), (5, 4038891616), (8, 2524307260), (10, 2019445808), (16, 1262153630), (20, 1009722904), (32, 631076815), (40, 504861452), (43, 469638560), (80, 252430726), (86, 234819280), (160, 126215363), (172, 117409640), (215, 93927712), (344, 58704820), (430, 46963856), (688, 29352410), (860, 23481928), (1376, 14676205), (1720, 11740964), (3440, 5870482), (6880, 2935241)]