42420520

素因数分解:

$2^3\times 5^1\times {\mathrm{1060513}}^1$

素因数の和:1060524

約数の個数: 16

約数和(自身を含む): 95446260

約数和(自身を除く): 53025740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1060513, 2121026, 4242052, 5302565, 8484104, 10605130, 21210260, 42420520]

約数ペア:

[(1, 42420520), (2, 21210260), (4, 10605130), (5, 8484104), (8, 5302565), (10, 4242052), (20, 2121026), (40, 1060513)]