40675540

素因数分解:

$2^2\times 5^1\times {\mathrm{1087}}^1\times {\mathrm{1871}}^1$

素因数の和:2967

約数の個数: 24

約数和(自身を含む): 85542912

約数和(自身を除く): 44867372

約数列:

[1, 2, 4, 5, 10, 20, 1087, 1871, 2174, 3742, 4348, 5435, 7484, 9355, 10870, 18710, 21740, 37420, 2033777, 4067554, 8135108, 10168885, 20337770, 40675540]

約数ペア:

[(1, 40675540), (2, 20337770), (4, 10168885), (5, 8135108), (10, 4067554), (20, 2033777), (1087, 37420), (1871, 21740), (2174, 18710), (3742, 10870), (4348, 9355), (5435, 7484)]