40320880

素因数分解:

$2^4\times 5^1\times {\mathrm{504011}}^1$

素因数の和:504024

約数の個数: 20

約数和(自身を含む): 93746232

約数和(自身を除く): 53425352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 504011, 1008022, 2016044, 2520055, 4032088, 5040110, 8064176, 10080220, 20160440, 40320880]

約数ペア:

[(1, 40320880), (2, 20160440), (4, 10080220), (5, 8064176), (8, 5040110), (10, 4032088), (16, 2520055), (20, 2016044), (40, 1008022), (80, 504011)]