12667780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{21841}}^1$

素因数の和:21879

約数の個数: 24

約数和(自身を含む): 27520920

約数和(自身を除く): 14853140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 21841, 43682, 87364, 109205, 218410, 436820, 633389, 1266778, 2533556, 3166945, 6333890, 12667780]

約数ペア:

[(1, 12667780), (2, 6333890), (4, 3166945), (5, 2533556), (10, 1266778), (20, 633389), (29, 436820), (58, 218410), (116, 109205), (145, 87364), (290, 43682), (580, 21841)]