80909740

素因数分解:

$2^2\times 5^1\times {\mathrm{1879}}^1\times {\mathrm{2153}}^1$

素因数の和:4041

約数の個数: 24

約数和(自身を含む): 170079840

約数和(自身を除く): 89170100

約数列:

[1, 2, 4, 5, 10, 20, 1879, 2153, 3758, 4306, 7516, 8612, 9395, 10765, 18790, 21530, 37580, 43060, 4045487, 8090974, 16181948, 20227435, 40454870, 80909740]

約数ペア:

[(1, 80909740), (2, 40454870), (4, 20227435), (5, 16181948), (10, 8090974), (20, 4045487), (1879, 43060), (2153, 37580), (3758, 21530), (4306, 18790), (7516, 10765), (8612, 9395)]