201571520

素因数分解:

$2^6\times 5^1\times {\mathrm{109}}^1\times {\mathrm{5779}}^1$

素因数の和:5905

約数の個数: 56

約数和(自身を含む): 484479600

約数和(自身を除く): 282908080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 160, 218, 320, 436, 545, 872, 1090, 1744, 2180, 3488, 4360, 5779, 6976, 8720, 11558, 17440, 23116, 28895, 34880, 46232, 57790, 92464, 115580, 184928, 231160, 369856, 462320, 629911, 924640, 1259822, 1849280, 2519644, 3149555, 5039288, 6299110, 10078576, 12598220, 20157152, 25196440, 40314304, 50392880, 100785760, 201571520]

約数ペア:

[(1, 201571520), (2, 100785760), (4, 50392880), (5, 40314304), (8, 25196440), (10, 20157152), (16, 12598220), (20, 10078576), (32, 6299110), (40, 5039288), (64, 3149555), (80, 2519644), (109, 1849280), (160, 1259822), (218, 924640), (320, 629911), (436, 462320), (545, 369856), (872, 231160), (1090, 184928), (1744, 115580), (2180, 92464), (3488, 57790), (4360, 46232), (5779, 34880), (6976, 28895), (8720, 23116), (11558, 17440)]