56705920

素因数分解:

$2^7\times 5^1\times {\mathrm{251}}^1\times {\mathrm{353}}^1$

素因数の和:623

約数の個数: 64

約数和(自身を含む): 136488240

約数和(自身を除く): 79782320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 251, 320, 353, 502, 640, 706, 1004, 1255, 1412, 1765, 2008, 2510, 2824, 3530, 4016, 5020, 5648, 7060, 8032, 10040, 11296, 14120, 16064, 20080, 22592, 28240, 32128, 40160, 45184, 56480, 80320, 88603, 112960, 160640, 177206, 225920, 354412, 443015, 708824, 886030, 1417648, 1772060, 2835296, 3544120, 5670592, 7088240, 11341184, 14176480, 28352960, 56705920]

約数ペア:

[(1, 56705920), (2, 28352960), (4, 14176480), (5, 11341184), (8, 7088240), (10, 5670592), (16, 3544120), (20, 2835296), (32, 1772060), (40, 1417648), (64, 886030), (80, 708824), (128, 443015), (160, 354412), (251, 225920), (320, 177206), (353, 160640), (502, 112960), (640, 88603), (706, 80320), (1004, 56480), (1255, 45184), (1412, 40160), (1765, 32128), (2008, 28240), (2510, 22592), (2824, 20080), (3530, 16064), (4016, 14120), (5020, 11296), (5648, 10040), (7060, 8032)]