4204721320

素因数分解:

$2^3\times 5^1\times {\mathrm{5003}}^1\times {\mathrm{21011}}^1$

素因数の和:26025

約数の個数: 32

約数和(自身を含む): 9462964320

約数和(自身を除く): 5258243000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5003, 10006, 20012, 21011, 25015, 40024, 42022, 50030, 84044, 100060, 105055, 168088, 200120, 210110, 420220, 840440, 105118033, 210236066, 420472132, 525590165, 840944264, 1051180330, 2102360660, 4204721320]

約数ペア:

[(1, 4204721320), (2, 2102360660), (4, 1051180330), (5, 840944264), (8, 525590165), (10, 420472132), (20, 210236066), (40, 105118033), (5003, 840440), (10006, 420220), (20012, 210110), (21011, 200120), (25015, 168088), (40024, 105055), (42022, 100060), (50030, 84044)]