1640252008

素因数分解:

$2^3\times {\mathrm{19403}}^1\times {\mathrm{10567}}^1$

素因数の和:29976

約数の個数: 16

約数和(自身を含む): 3075922080

約数和(自身を除く): 1435670072

約数列:

[1, 2, 4, 8, 10567, 19403, 21134, 38806, 42268, 77612, 84536, 155224, 205031501, 410063002, 820126004, 1640252008]

約数ペア:

[(1, 1640252008), (2, 820126004), (4, 410063002), (8, 205031501), (10567, 155224), (19403, 84536), (21134, 77612), (38806, 42268)]