13236640

素因数分解:

$2^5\times 5^1\times {\mathrm{82729}}^1$

素因数の和:82744

約数の個数: 24

約数和(自身を含む): 31271940

約数和(自身を除く): 18035300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 82729, 165458, 330916, 413645, 661832, 827290, 1323664, 1654580, 2647328, 3309160, 6618320, 13236640]

約数ペア:

[(1, 13236640), (2, 6618320), (4, 3309160), (5, 2647328), (8, 1654580), (10, 1323664), (16, 827290), (20, 661832), (32, 413645), (40, 330916), (80, 165458), (160, 82729)]