3889820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17681}}^1$

素因数の和:17701

約数の個数: 24

約数和(自身を含む): 8911728

約数和(自身を除く): 5021908

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 17681, 35362, 70724, 88405, 176810, 194491, 353620, 388982, 777964, 972455, 1944910, 3889820]

約数ペア:

[(1, 3889820), (2, 1944910), (4, 972455), (5, 777964), (10, 388982), (11, 353620), (20, 194491), (22, 176810), (44, 88405), (55, 70724), (110, 35362), (220, 17681)]