85712560

素因数分解:

$2^4\times 5^1\times {\mathrm{1071407}}^1$

素因数の和:1071420

約数の個数: 20

約数和(自身を含む): 199281888

約数和(自身を除く): 113569328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1071407, 2142814, 4285628, 5357035, 8571256, 10714070, 17142512, 21428140, 42856280, 85712560]

約数ペア:

[(1, 85712560), (2, 42856280), (4, 21428140), (5, 17142512), (8, 10714070), (10, 8571256), (16, 5357035), (20, 4285628), (40, 2142814), (80, 1071407)]