26679280

素因数分解:

$2^4\times 5^1\times {\mathrm{333491}}^1$

素因数の和:333504

約数の個数: 20

約数和(自身を含む): 62029512

約数和(自身を除く): 35350232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 333491, 666982, 1333964, 1667455, 2667928, 3334910, 5335856, 6669820, 13339640, 26679280]

約数ペア:

[(1, 26679280), (2, 13339640), (4, 6669820), (5, 5335856), (8, 3334910), (10, 2667928), (16, 1667455), (20, 1333964), (40, 666982), (80, 333491)]