28462660

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{2153}}^1$

素因数の和:2823

約数の個数: 24

約数和(自身を含む): 59889816

約数和(自身を除く): 31427156

約数列:

[1, 2, 4, 5, 10, 20, 661, 1322, 2153, 2644, 3305, 4306, 6610, 8612, 10765, 13220, 21530, 43060, 1423133, 2846266, 5692532, 7115665, 14231330, 28462660]

約数ペア:

[(1, 28462660), (2, 14231330), (4, 7115665), (5, 5692532), (10, 2846266), (20, 1423133), (661, 43060), (1322, 21530), (2153, 13220), (2644, 10765), (3305, 8612), (4306, 6610)]