80717872

素因数分解:

$2^4\times {\mathrm{1213}}^1\times {\mathrm{4159}}^1$

素因数の和:5380

約数の個数: 20

約数和(自身を含む): 156557440

約数和(自身を除く): 75839568

約数列:

[1, 2, 4, 8, 16, 1213, 2426, 4159, 4852, 8318, 9704, 16636, 19408, 33272, 66544, 5044867, 10089734, 20179468, 40358936, 80717872]

約数ペア:

[(1, 80717872), (2, 40358936), (4, 20179468), (8, 10089734), (16, 5044867), (1213, 66544), (2426, 33272), (4159, 19408), (4852, 16636), (8318, 9704)]