40120880

素因数分解:

$2^4\times 5^1\times {\mathrm{501511}}^1$

素因数の和:501524

約数の個数: 20

約数和(自身を含む): 93281232

約数和(自身を除く): 53160352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 501511, 1003022, 2006044, 2507555, 4012088, 5015110, 8024176, 10030220, 20060440, 40120880]

約数ペア:

[(1, 40120880), (2, 20060440), (4, 10030220), (5, 8024176), (8, 5015110), (10, 4012088), (16, 2507555), (20, 2006044), (40, 1003022), (80, 501511)]