27960888980

素因数分解:

$2^2\times 5^1\times {\mathrm{2089}}^1\times {\mathrm{669241}}^1$

素因数の和:671339

約数の個数: 24

約数和(自身を含む): 58746062760

約数和(自身を除く): 30785173780

約数列:

[1, 2, 4, 5, 10, 20, 2089, 4178, 8356, 10445, 20890, 41780, 669241, 1338482, 2676964, 3346205, 6692410, 13384820, 1398044449, 2796088898, 5592177796, 6990222245, 13980444490, 27960888980]

約数ペア:

[(1, 27960888980), (2, 13980444490), (4, 6990222245), (5, 5592177796), (10, 2796088898), (20, 1398044449), (2089, 13384820), (4178, 6692410), (8356, 3346205), (10445, 2676964), (20890, 1338482), (41780, 669241)]