12936640

素因数分解:

$2^6\times 5^1\times {\mathrm{40427}}^1$

素因数の和:40444

約数の個数: 28

約数和(自身を含む): 30806136

約数和(自身を除く): 17869496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 40427, 80854, 161708, 202135, 323416, 404270, 646832, 808540, 1293664, 1617080, 2587328, 3234160, 6468320, 12936640]

約数ペア:

[(1, 12936640), (2, 6468320), (4, 3234160), (5, 2587328), (8, 1617080), (10, 1293664), (16, 808540), (20, 646832), (32, 404270), (40, 323416), (64, 202135), (80, 161708), (160, 80854), (320, 40427)]