26439040

素因数分解:

$2^7\times 5^1\times {\mathrm{109}}^1\times {\mathrm{379}}^1$

素因数の和:507

約数の個数: 64

約数和(自身を含む): 63954000

約数和(自身を除く): 37514960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 320, 379, 436, 545, 640, 758, 872, 1090, 1516, 1744, 1895, 2180, 3032, 3488, 3790, 4360, 6064, 6976, 7580, 8720, 12128, 13952, 15160, 17440, 24256, 30320, 34880, 41311, 48512, 60640, 69760, 82622, 121280, 165244, 206555, 242560, 330488, 413110, 660976, 826220, 1321952, 1652440, 2643904, 3304880, 5287808, 6609760, 13219520, 26439040]

約数ペア:

[(1, 26439040), (2, 13219520), (4, 6609760), (5, 5287808), (8, 3304880), (10, 2643904), (16, 1652440), (20, 1321952), (32, 826220), (40, 660976), (64, 413110), (80, 330488), (109, 242560), (128, 206555), (160, 165244), (218, 121280), (320, 82622), (379, 69760), (436, 60640), (545, 48512), (640, 41311), (758, 34880), (872, 30320), (1090, 24256), (1516, 17440), (1744, 15160), (1895, 13952), (2180, 12128), (3032, 8720), (3488, 7580), (3790, 6976), (4360, 6064)]