80854405

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{19793}}^1$

素因数の和:19860

約数の個数: 16

約数和(自身を含む): 104512320

約数和(自身を除く): 23657915

約数列:

[1, 5, 19, 43, 95, 215, 817, 4085, 19793, 98965, 376067, 851099, 1880335, 4255495, 16170881, 80854405]

約数ペア:

[(1, 80854405), (5, 16170881), (19, 4255495), (43, 1880335), (95, 851099), (215, 376067), (817, 98965), (4085, 19793)]