166952560

素因数分解:

$2^4\times 5^1\times {\mathrm{2086907}}^1$

素因数の和:2086920

約数の個数: 20

約数和(自身を含む): 388164888

約数和(自身を除く): 221212328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2086907, 4173814, 8347628, 10434535, 16695256, 20869070, 33390512, 41738140, 83476280, 166952560]

約数ペア:

[(1, 166952560), (2, 83476280), (4, 41738140), (5, 33390512), (8, 20869070), (10, 16695256), (16, 10434535), (20, 8347628), (40, 4173814), (80, 2086907)]