80039170

素因数分解:

$2^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{20161}}^1$

素因数の和:20565

約数の個数: 16

約数和(自身を含む): 144440568

約数和(自身を除く): 64401398

約数列:

[1, 2, 5, 10, 397, 794, 1985, 3970, 20161, 40322, 100805, 201610, 8003917, 16007834, 40019585, 80039170]

約数ペア:

[(1, 80039170), (2, 40019585), (5, 16007834), (10, 8003917), (397, 201610), (794, 100805), (1985, 40322), (3970, 20161)]