80259220

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{14281}}^1$

素因数の和:14571

約数の個数: 24

約数和(自身を含む): 169156008

約数和(自身を除く): 88896788

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 5620, 14281, 28562, 57124, 71405, 142810, 285620, 4012961, 8025922, 16051844, 20064805, 40129610, 80259220]

約数ペア:

[(1, 80259220), (2, 40129610), (4, 20064805), (5, 16051844), (10, 8025922), (20, 4012961), (281, 285620), (562, 142810), (1124, 71405), (1405, 57124), (2810, 28562), (5620, 14281)]