85515280

素因数分解:

$2^4\times 5^1\times {\mathrm{1068941}}^1$

素因数の和:1068954

約数の個数: 20

約数和(自身を含む): 198823212

約数和(自身を除く): 113307932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1068941, 2137882, 4275764, 5344705, 8551528, 10689410, 17103056, 21378820, 42757640, 85515280]

約数ペア:

[(1, 85515280), (2, 42757640), (4, 21378820), (5, 17103056), (8, 10689410), (10, 8551528), (16, 5344705), (20, 4275764), (40, 2137882), (80, 1068941)]