12718820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{21929}}^1$

素因数の和:21967

約数の個数: 24

約数和(自身を含む): 27631800

約数和(自身を除く): 14912980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 21929, 43858, 87716, 109645, 219290, 438580, 635941, 1271882, 2543764, 3179705, 6359410, 12718820]

約数ペア:

[(1, 12718820), (2, 6359410), (4, 3179705), (5, 2543764), (10, 1271882), (20, 635941), (29, 438580), (58, 219290), (116, 109645), (145, 87716), (290, 43858), (580, 21929)]