40222480

素因数分解:

$2^4\times 5^1\times {\mathrm{502781}}^1$

素因数の和:502794

約数の個数: 20

約数和(自身を含む): 93517452

約数和(自身を除く): 53294972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 502781, 1005562, 2011124, 2513905, 4022248, 5027810, 8044496, 10055620, 20111240, 40222480]

約数ペア:

[(1, 40222480), (2, 20111240), (4, 10055620), (5, 8044496), (8, 5027810), (10, 4022248), (16, 2513905), (20, 2011124), (40, 1005562), (80, 502781)]