85130120

素因数分解:

$2^3\times 5^1\times {\mathrm{2128253}}^1$

素因数の和:2128264

約数の個数: 16

約数和(自身を含む): 191542860

約数和(自身を除く): 106412740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2128253, 4256506, 8513012, 10641265, 17026024, 21282530, 42565060, 85130120]

約数ペア:

[(1, 85130120), (2, 42565060), (4, 21282530), (5, 17026024), (8, 10641265), (10, 8513012), (20, 4256506), (40, 2128253)]