56925320

素因数分解:

$2^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{2153}}^1$

素因数の和:2825

約数の個数: 32

約数和(自身を含む): 128335320

約数和(自身を除く): 71410000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 661, 1322, 2153, 2644, 3305, 4306, 5288, 6610, 8612, 10765, 13220, 17224, 21530, 26440, 43060, 86120, 1423133, 2846266, 5692532, 7115665, 11385064, 14231330, 28462660, 56925320]

約数ペア:

[(1, 56925320), (2, 28462660), (4, 14231330), (5, 11385064), (8, 7115665), (10, 5692532), (20, 2846266), (40, 1423133), (661, 86120), (1322, 43060), (2153, 26440), (2644, 21530), (3305, 17224), (4306, 13220), (5288, 10765), (6610, 8612)]