202144640

素因数分解:

$2^7\times 5^1\times {\mathrm{315851}}^1$

素因数の和:315870

約数の個数: 32

約数和(自身を含む): 483253560

約数和(自身を除く): 281108920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 315851, 631702, 1263404, 1579255, 2526808, 3158510, 5053616, 6317020, 10107232, 12634040, 20214464, 25268080, 40428928, 50536160, 101072320, 202144640]

約数ペア:

[(1, 202144640), (2, 101072320), (4, 50536160), (5, 40428928), (8, 25268080), (10, 20214464), (16, 12634040), (20, 10107232), (32, 6317020), (40, 5053616), (64, 3158510), (80, 2526808), (128, 1579255), (160, 1263404), (320, 631702), (640, 315851)]