80256785

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{37591}}^1$

素因数の和:37664

約数の個数: 16

約数和(自身を含む): 111873792

約数和(自身を除く): 31617007

約数列:

[1, 5, 7, 35, 61, 305, 427, 2135, 37591, 187955, 263137, 1315685, 2293051, 11465255, 16051357, 80256785]

約数ペア:

[(1, 80256785), (5, 16051357), (7, 11465255), (35, 2293051), (61, 1315685), (305, 263137), (427, 187955), (2135, 37591)]