80665280

素因数分解:

$2^6\times 5^1\times {\mathrm{252079}}^1$

素因数の和:252096

約数の個数: 28

約数和(自身を含む): 192084960

約数和(自身を除く): 111419680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 252079, 504158, 1008316, 1260395, 2016632, 2520790, 4033264, 5041580, 8066528, 10083160, 16133056, 20166320, 40332640, 80665280]

約数ペア:

[(1, 80665280), (2, 40332640), (4, 20166320), (5, 16133056), (8, 10083160), (10, 8066528), (16, 5041580), (20, 4033264), (32, 2520790), (40, 2016632), (64, 1260395), (80, 1008316), (160, 504158), (320, 252079)]