28543660

素因数分解:

$2^2\times 5^1\times {\mathrm{887}}^1\times {\mathrm{1609}}^1$

素因数の和:2505

約数の個数: 24

約数和(自身を含む): 60046560

約数和(自身を除く): 31502900

約数列:

[1, 2, 4, 5, 10, 20, 887, 1609, 1774, 3218, 3548, 4435, 6436, 8045, 8870, 16090, 17740, 32180, 1427183, 2854366, 5708732, 7135915, 14271830, 28543660]

約数ペア:

[(1, 28543660), (2, 14271830), (4, 7135915), (5, 5708732), (10, 2854366), (20, 1427183), (887, 32180), (1609, 17740), (1774, 16090), (3218, 8870), (3548, 8045), (4435, 6436)]