8642170

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{2113}}^1$

素因数の和:2529

約数の個数: 16

約数和(自身を含む): 15601320

約数和(自身を除く): 6959150

約数列:

[1, 2, 5, 10, 409, 818, 2045, 2113, 4090, 4226, 10565, 21130, 864217, 1728434, 4321085, 8642170]

約数ペア:

[(1, 8642170), (2, 4321085), (5, 1728434), (10, 864217), (409, 21130), (818, 10565), (2045, 4226), (2113, 4090)]