81127510

素因数分解:

$2^1\times 5^1\times {\mathrm{281}}^1\times {\mathrm{28871}}^1$

素因数の和:29159

約数の個数: 16

約数和(自身を含む): 146554272

約数和(自身を除く): 65426762

約数列:

[1, 2, 5, 10, 281, 562, 1405, 2810, 28871, 57742, 144355, 288710, 8112751, 16225502, 40563755, 81127510]

約数ペア:

[(1, 81127510), (2, 40563755), (5, 16225502), (10, 8112751), (281, 288710), (562, 144355), (1405, 57742), (2810, 28871)]