26880784

素因数分解:

$2^4\times 7^1\times {\mathrm{240007}}^1$

素因数の和:240022

約数の個数: 20

約数和(自身を含む): 59521984

約数和(自身を除く): 32641200

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 240007, 480014, 960028, 1680049, 1920056, 3360098, 3840112, 6720196, 13440392, 26880784]

約数ペア:

[(1, 26880784), (2, 13440392), (4, 6720196), (7, 3840112), (8, 3360098), (14, 1920056), (16, 1680049), (28, 960028), (56, 480014), (112, 240007)]