80399956

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{220879}}^1$

素因数の和:220903

約数の個数: 24

約数和(自身を含む): 173169920

約数和(自身を除く): 92769964

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 220879, 441758, 883516, 1546153, 2871427, 3092306, 5742854, 6184612, 11485708, 20099989, 40199978, 80399956]

約数ペア:

[(1, 80399956), (2, 40199978), (4, 20099989), (7, 11485708), (13, 6184612), (14, 5742854), (26, 3092306), (28, 2871427), (52, 1546153), (91, 883516), (182, 441758), (364, 220879)]