42920080

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{10949}}^1$

素因数の和:10976

約数の個数: 60

約数和(自身を含む): 116091900

約数和(自身を除く): 73171820

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 10949, 21898, 43796, 54745, 76643, 87592, 109490, 153286, 175184, 218980, 306572, 383215, 437960, 536501, 613144, 766430, 875920, 1073002, 1226288, 1532860, 2146004, 2682505, 3065720, 4292008, 5365010, 6131440, 8584016, 10730020, 21460040, 42920080]

約数ペア:

[(1, 42920080), (2, 21460040), (4, 10730020), (5, 8584016), (7, 6131440), (8, 5365010), (10, 4292008), (14, 3065720), (16, 2682505), (20, 2146004), (28, 1532860), (35, 1226288), (40, 1073002), (49, 875920), (56, 766430), (70, 613144), (80, 536501), (98, 437960), (112, 383215), (140, 306572), (196, 218980), (245, 175184), (280, 153286), (392, 109490), (490, 87592), (560, 76643), (784, 54745), (980, 43796), (1960, 21898), (3920, 10949)]