12680540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{21863}}^1$

素因数の和:21901

約数の個数: 24

約数和(自身を含む): 27548640

約数和(自身を除く): 14868100

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 21863, 43726, 87452, 109315, 218630, 437260, 634027, 1268054, 2536108, 3170135, 6340270, 12680540]

約数ペア:

[(1, 12680540), (2, 6340270), (4, 3170135), (5, 2536108), (10, 1268054), (20, 634027), (29, 437260), (58, 218630), (116, 109315), (145, 87452), (290, 43726), (580, 21863)]