80367680

素因数分解:

$2^6\times 5^1\times {\mathrm{251149}}^1$

素因数の和:251166

約数の個数: 28

約数和(自身を含む): 191376300

約数和(自身を除く): 111008620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 251149, 502298, 1004596, 1255745, 2009192, 2511490, 4018384, 5022980, 8036768, 10045960, 16073536, 20091920, 40183840, 80367680]

約数ペア:

[(1, 80367680), (2, 40183840), (4, 20091920), (5, 16073536), (8, 10045960), (10, 8036768), (16, 5022980), (20, 4018384), (32, 2511490), (40, 2009192), (64, 1255745), (80, 1004596), (160, 502298), (320, 251149)]