80164396

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{21713}}^1$

素因数の和:21801

約数の個数: 24

約数和(自身を含む): 153213984

約数和(自身を除く): 73049588

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 21713, 43426, 86852, 282269, 564538, 1129076, 1541623, 3083246, 6166492, 20041099, 40082198, 80164396]

約数ペア:

[(1, 80164396), (2, 40082198), (4, 20041099), (13, 6166492), (26, 3083246), (52, 1541623), (71, 1129076), (142, 564538), (284, 282269), (923, 86852), (1846, 43426), (3692, 21713)]