2586790

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1861}}^1$

素因数の和:2007

約数の個数: 16

約数和(自身を含む): 4692240

約数和(自身を除く): 2105450

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 1861, 3722, 9305, 18610, 258679, 517358, 1293395, 2586790]

約数ペア:

[(1, 2586790), (2, 1293395), (5, 517358), (10, 258679), (139, 18610), (278, 9305), (695, 3722), (1390, 1861)]