40774480

素因数分解:

$2^4\times 5^1\times {\mathrm{509681}}^1$

素因数の和:509694

約数の個数: 20

約数和(自身を含む): 94800852

約数和(自身を除く): 54026372

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 509681, 1019362, 2038724, 2548405, 4077448, 5096810, 8154896, 10193620, 20387240, 40774480]

約数ペア:

[(1, 40774480), (2, 20387240), (4, 10193620), (5, 8154896), (8, 5096810), (10, 4077448), (16, 2548405), (20, 2038724), (40, 1019362), (80, 509681)]