80811664

素因数分解:

$2^4\times {\mathrm{331}}^1\times {\mathrm{15259}}^1$

素因数の和:15598

約数の個数: 20

約数和(自身を含む): 157055920

約数和(自身を除く): 76244256

約数列:

[1, 2, 4, 8, 16, 331, 662, 1324, 2648, 5296, 15259, 30518, 61036, 122072, 244144, 5050729, 10101458, 20202916, 40405832, 80811664]

約数ペア:

[(1, 80811664), (2, 40405832), (4, 20202916), (8, 10101458), (16, 5050729), (331, 244144), (662, 122072), (1324, 61036), (2648, 30518), (5296, 15259)]