82890580

素因数分解:

$2^2\times 5^1\times {\mathrm{997}}^1\times {\mathrm{4157}}^1$

素因数の和:5163

約数の個数: 24

約数和(自身を含む): 174286728

約数和(自身を除く): 91396148

約数列:

[1, 2, 4, 5, 10, 20, 997, 1994, 3988, 4157, 4985, 8314, 9970, 16628, 19940, 20785, 41570, 83140, 4144529, 8289058, 16578116, 20722645, 41445290, 82890580]

約数ペア:

[(1, 82890580), (2, 41445290), (4, 20722645), (5, 16578116), (10, 8289058), (20, 4144529), (997, 83140), (1994, 41570), (3988, 20785), (4157, 19940), (4985, 16628), (8314, 9970)]