84026440

素因数分解:

$2^3\times 5^1\times {\mathrm{2100661}}^1$

素因数の和:2100672

約数の個数: 16

約数和(自身を含む): 189059580

約数和(自身を除く): 105033140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2100661, 4201322, 8402644, 10503305, 16805288, 21006610, 42013220, 84026440]

約数ペア:

[(1, 84026440), (2, 42013220), (4, 21006610), (5, 16805288), (8, 10503305), (10, 8402644), (20, 4201322), (40, 2100661)]