419649280

素因数分解:

$2^8\times 5^1\times {\mathrm{327851}}^1$

素因数の和:327872

約数の個数: 36

約数和(自身を含む): 1005194232

約数和(自身を除く): 585544952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 327851, 655702, 1311404, 1639255, 2622808, 3278510, 5245616, 6557020, 10491232, 13114040, 20982464, 26228080, 41964928, 52456160, 83929856, 104912320, 209824640, 419649280]

約数ペア:

[(1, 419649280), (2, 209824640), (4, 104912320), (5, 83929856), (8, 52456160), (10, 41964928), (16, 26228080), (20, 20982464), (32, 13114040), (40, 10491232), (64, 6557020), (80, 5245616), (128, 3278510), (160, 2622808), (256, 1639255), (320, 1311404), (640, 655702), (1280, 327851)]