640052404

素因数分解:

$2^2\times {\mathrm{367}}^1\times {\mathrm{436003}}^1$

素因数の和:436374

約数の個数: 12

約数和(自身を含む): 1123146304

約数和(自身を除く): 483093900

約数列:

[1, 2, 4, 367, 734, 1468, 436003, 872006, 1744012, 160013101, 320026202, 640052404]

約数ペア:

[(1, 640052404), (2, 320026202), (4, 160013101), (367, 1744012), (734, 872006), (1468, 436003)]