80868112

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{388789}}^1$

素因数の和:388810

約数の個数: 20

約数和(自身を含む): 168734860

約数和(自身を除く): 87866748

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 388789, 777578, 1555156, 3110312, 5054257, 6220624, 10108514, 20217028, 40434056, 80868112]

約数ペア:

[(1, 80868112), (2, 40434056), (4, 20217028), (8, 10108514), (13, 6220624), (16, 5054257), (26, 3110312), (52, 1555156), (104, 777578), (208, 388789)]