13356800

素因数分解:

$2^8\times 5^2\times {\mathrm{2087}}^1$

素因数の和:2113

約数の個数: 54

約数和(自身を含む): 33076008

約数和(自身を除く): 19719208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 2087, 3200, 4174, 6400, 8348, 10435, 16696, 20870, 33392, 41740, 52175, 66784, 83480, 104350, 133568, 166960, 208700, 267136, 333920, 417400, 534272, 667840, 834800, 1335680, 1669600, 2671360, 3339200, 6678400, 13356800]

約数ペア:

[(1, 13356800), (2, 6678400), (4, 3339200), (5, 2671360), (8, 1669600), (10, 1335680), (16, 834800), (20, 667840), (25, 534272), (32, 417400), (40, 333920), (50, 267136), (64, 208700), (80, 166960), (100, 133568), (128, 104350), (160, 83480), (200, 66784), (256, 52175), (320, 41740), (400, 33392), (640, 20870), (800, 16696), (1280, 10435), (1600, 8348), (2087, 6400), (3200, 4174)]