81355010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{857}}^1\times {\mathrm{863}}^1$

素因数の和:1738

約数の個数: 32

約数和(自身を含む): 160123392

約数和(自身を除く): 78768382

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 857, 863, 1714, 1726, 4285, 4315, 8570, 8630, 9427, 9493, 18854, 18986, 47135, 47465, 94270, 94930, 739591, 1479182, 3697955, 7395910, 8135501, 16271002, 40677505, 81355010]

約数ペア:

[(1, 81355010), (2, 40677505), (5, 16271002), (10, 8135501), (11, 7395910), (22, 3697955), (55, 1479182), (110, 739591), (857, 94930), (863, 94270), (1714, 47465), (1726, 47135), (4285, 18986), (4315, 18854), (8570, 9493), (8630, 9427)]