1297641881320

素因数分解:

$2^3\times 5^1\times {\mathrm{21011}}^1\times {\mathrm{1544003}}^1$

素因数の和:1565025

約数の個数: 32

約数和(自身を含む): 2919835084320

約数和(自身を除く): 1622193203000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 21011, 42022, 84044, 105055, 168088, 210110, 420220, 840440, 1544003, 3088006, 6176012, 7720015, 12352024, 15440030, 30880060, 61760120, 32441047033, 64882094066, 129764188132, 162205235165, 259528376264, 324410470330, 648820940660, 1297641881320]

約数ペア:

[(1, 1297641881320), (2, 648820940660), (4, 324410470330), (5, 259528376264), (8, 162205235165), (10, 129764188132), (20, 64882094066), (40, 32441047033), (21011, 61760120), (42022, 30880060), (84044, 15440030), (105055, 12352024), (168088, 7720015), (210110, 6176012), (420220, 3088006), (840440, 1544003)]