2581036790

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1856861}}^1$

素因数の和:1857007

約数の個数: 16

約数和(自身を含む): 4679292240

約数和(自身を除く): 2098255450

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 1856861, 3713722, 9284305, 18568610, 258103679, 516207358, 1290518395, 2581036790]

約数ペア:

[(1, 2581036790), (2, 1290518395), (5, 516207358), (10, 258103679), (139, 18568610), (278, 9284305), (695, 3713722), (1390, 1856861)]