40414480

素因数分解:

$2^4\times 5^1\times {\mathrm{505181}}^1$

素因数の和:505194

約数の個数: 20

約数和(自身を含む): 93963852

約数和(自身を除く): 53549372

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 505181, 1010362, 2020724, 2525905, 4041448, 5051810, 8082896, 10103620, 20207240, 40414480]

約数ペア:

[(1, 40414480), (2, 20207240), (4, 10103620), (5, 8082896), (8, 5051810), (10, 4041448), (16, 2525905), (20, 2020724), (40, 1010362), (80, 505181)]