40458140

素因数分解:

$2^2\times 5^1\times {\mathrm{1087}}^1\times {\mathrm{1861}}^1$

素因数の和:2957

約数の個数: 24

約数和(自身を含む): 85085952

約数和(自身を除く): 44627812

約数列:

[1, 2, 4, 5, 10, 20, 1087, 1861, 2174, 3722, 4348, 5435, 7444, 9305, 10870, 18610, 21740, 37220, 2022907, 4045814, 8091628, 10114535, 20229070, 40458140]

約数ペア:

[(1, 40458140), (2, 20229070), (4, 10114535), (5, 8091628), (10, 4045814), (20, 2022907), (1087, 37220), (1861, 21740), (2174, 18610), (3722, 10870), (4348, 9305), (5435, 7444)]