81696460

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{177601}}^1$

素因数の和:177633

約数の個数: 24

約数和(自身を含む): 179022816

約数和(自身を除く): 97326356

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 177601, 355202, 710404, 888005, 1776010, 3552020, 4084823, 8169646, 16339292, 20424115, 40848230, 81696460]

約数ペア:

[(1, 81696460), (2, 40848230), (4, 20424115), (5, 16339292), (10, 8169646), (20, 4084823), (23, 3552020), (46, 1776010), (92, 888005), (115, 710404), (230, 355202), (460, 177601)]