80794240

素因数分解:

$2^7\times 5^1\times {\mathrm{126241}}^1$

素因数の和:126260

約数の個数: 32

約数和(自身を含む): 193150260

約数和(自身を除く): 112356020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 126241, 252482, 504964, 631205, 1009928, 1262410, 2019856, 2524820, 4039712, 5049640, 8079424, 10099280, 16158848, 20198560, 40397120, 80794240]

約数ペア:

[(1, 80794240), (2, 40397120), (4, 20198560), (5, 16158848), (8, 10099280), (10, 8079424), (16, 5049640), (20, 4039712), (32, 2524820), (40, 2019856), (64, 1262410), (80, 1009928), (128, 631205), (160, 504964), (320, 252482), (640, 126241)]