2885201320

素因数分解:

$2^3\times 5^1\times {\mathrm{2003}}^1\times {\mathrm{36011}}^1$

素因数の和:38025

約数の個数: 32

約数和(自身を含む): 6495124320

約数和(自身を除く): 3609923000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2003, 4006, 8012, 10015, 16024, 20030, 36011, 40060, 72022, 80120, 144044, 180055, 288088, 360110, 720220, 1440440, 72130033, 144260066, 288520132, 360650165, 577040264, 721300330, 1442600660, 2885201320]

約数ペア:

[(1, 2885201320), (2, 1442600660), (4, 721300330), (5, 577040264), (8, 360650165), (10, 288520132), (20, 144260066), (40, 72130033), (2003, 1440440), (4006, 720220), (8012, 360110), (10015, 288088), (16024, 180055), (20030, 144044), (36011, 80120), (40060, 72022)]