86547320

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{8419}}^1$

素因数の和:8687

約数の個数: 32

約数和(自身を含む): 195512400

約数和(自身を除く): 108965080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 8419, 10280, 16838, 33676, 42095, 67352, 84190, 168380, 336760, 2163683, 4327366, 8654732, 10818415, 17309464, 21636830, 43273660, 86547320]

約数ペア:

[(1, 86547320), (2, 43273660), (4, 21636830), (5, 17309464), (8, 10818415), (10, 8654732), (20, 4327366), (40, 2163683), (257, 336760), (514, 168380), (1028, 84190), (1285, 67352), (2056, 42095), (2570, 33676), (5140, 16838), (8419, 10280)]