1668580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4391}}^1$

素因数の和:4419

約数の個数: 24

約数和(自身を含む): 3689280

約数和(自身を除く): 2020700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 4391, 8782, 17564, 21955, 43910, 83429, 87820, 166858, 333716, 417145, 834290, 1668580]

約数ペア:

[(1, 1668580), (2, 834290), (4, 417145), (5, 333716), (10, 166858), (19, 87820), (20, 83429), (38, 43910), (76, 21955), (95, 17564), (190, 8782), (380, 4391)]