84245080

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{10691}}^1$

素因数の和:10899

約数の個数: 32

約数和(自身を含む): 190531440

約数和(自身を除く): 106286360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 10691, 21382, 42764, 53455, 85528, 106910, 213820, 427640, 2106127, 4212254, 8424508, 10530635, 16849016, 21061270, 42122540, 84245080]

約数ペア:

[(1, 84245080), (2, 42122540), (4, 21061270), (5, 16849016), (8, 10530635), (10, 8424508), (20, 4212254), (40, 2106127), (197, 427640), (394, 213820), (788, 106910), (985, 85528), (1576, 53455), (1970, 42764), (3940, 21382), (7880, 10691)]