12756560

素因数分解:

$2^4\times 5^1\times {\mathrm{159457}}^1$

素因数の和:159470

約数の個数: 20

約数和(自身を含む): 29659188

約数和(自身を除く): 16902628

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 159457, 318914, 637828, 797285, 1275656, 1594570, 2551312, 3189140, 6378280, 12756560]

約数ペア:

[(1, 12756560), (2, 6378280), (4, 3189140), (5, 2551312), (8, 1594570), (10, 1275656), (16, 797285), (20, 637828), (40, 318914), (80, 159457)]