80921630

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{58217}}^1$

素因数の和:58363

約数の個数: 16

約数和(自身を含む): 146709360

約数和(自身を除く): 65787730

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 58217, 116434, 291085, 582170, 8092163, 16184326, 40460815, 80921630]

約数ペア:

[(1, 80921630), (2, 40460815), (5, 16184326), (10, 8092163), (139, 582170), (278, 291085), (695, 116434), (1390, 58217)]