51649280

素因数分解:

$2^8\times 5^1\times {\mathrm{40351}}^1$

素因数の和:40372

約数の個数: 36

約数和(自身を含む): 123719232

約数和(自身を除く): 72069952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 40351, 80702, 161404, 201755, 322808, 403510, 645616, 807020, 1291232, 1614040, 2582464, 3228080, 5164928, 6456160, 10329856, 12912320, 25824640, 51649280]

約数ペア:

[(1, 51649280), (2, 25824640), (4, 12912320), (5, 10329856), (8, 6456160), (10, 5164928), (16, 3228080), (20, 2582464), (32, 1614040), (40, 1291232), (64, 807020), (80, 645616), (128, 403510), (160, 322808), (256, 201755), (320, 161404), (640, 80702), (1280, 40351)]