51499820

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{8123}}^1$

素因数の和:8449

約数の個数: 24

約数和(自身を含む): 108504144

約数和(自身を除く): 57004324

約数列:

[1, 2, 4, 5, 10, 20, 317, 634, 1268, 1585, 3170, 6340, 8123, 16246, 32492, 40615, 81230, 162460, 2574991, 5149982, 10299964, 12874955, 25749910, 51499820]

約数ペア:

[(1, 51499820), (2, 25749910), (4, 12874955), (5, 10299964), (10, 5149982), (20, 2574991), (317, 162460), (634, 81230), (1268, 40615), (1585, 32492), (3170, 16246), (6340, 8123)]