39411280

素因数分解:

$2^4\times 5^1\times {\mathrm{492641}}^1$

素因数の和:492654

約数の個数: 20

約数和(自身を含む): 91631412

約数和(自身を除く): 52220132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 492641, 985282, 1970564, 2463205, 3941128, 4926410, 7882256, 9852820, 19705640, 39411280]

約数ペア:

[(1, 39411280), (2, 19705640), (4, 9852820), (5, 7882256), (8, 4926410), (10, 3941128), (16, 2463205), (20, 1970564), (40, 985282), (80, 492641)]