168551440

素因数分解:

$2^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{8011}}^1$

素因数の和:8287

約数の個数: 40

約数和(自身を含む): 393421248

約数和(自身を除く): 224869808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263, 526, 1052, 1315, 2104, 2630, 4208, 5260, 8011, 10520, 16022, 21040, 32044, 40055, 64088, 80110, 128176, 160220, 320440, 640880, 2106893, 4213786, 8427572, 10534465, 16855144, 21068930, 33710288, 42137860, 84275720, 168551440]

約数ペア:

[(1, 168551440), (2, 84275720), (4, 42137860), (5, 33710288), (8, 21068930), (10, 16855144), (16, 10534465), (20, 8427572), (40, 4213786), (80, 2106893), (263, 640880), (526, 320440), (1052, 160220), (1315, 128176), (2104, 80110), (2630, 64088), (4208, 40055), (5260, 32044), (8011, 21040), (10520, 16022)]