80540470

素因数分解:

$2^1\times 5^1\times {\mathrm{2161}}^1\times {\mathrm{3727}}^1$

素因数の和:5895

約数の個数: 16

約数和(自身を含む): 145078848

約数和(自身を除く): 64538378

約数列:

[1, 2, 5, 10, 2161, 3727, 4322, 7454, 10805, 18635, 21610, 37270, 8054047, 16108094, 40270235, 80540470]

約数ペア:

[(1, 80540470), (2, 40270235), (5, 16108094), (10, 8054047), (2161, 37270), (3727, 21610), (4322, 18635), (7454, 10805)]