81364120

素因数分解:

$2^3\times 5^1\times {\mathrm{2034103}}^1$

素因数の和:2034114

約数の個数: 16

約数和(自身を含む): 183069360

約数和(自身を除く): 101705240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2034103, 4068206, 8136412, 10170515, 16272824, 20341030, 40682060, 81364120]

約数ペア:

[(1, 81364120), (2, 40682060), (4, 20341030), (5, 16272824), (8, 10170515), (10, 8136412), (20, 4068206), (40, 2034103)]