80977208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25117}}^1$

素因数の和:25167

約数の個数: 32

約数和(自身を含む): 168792960

約数和(自身を除く): 87815752

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 25117, 50234, 100468, 200936, 326521, 653042, 778627, 1306084, 1557254, 2612168, 3114508, 6229016, 10122151, 20244302, 40488604, 80977208]

約数ペア:

[(1, 80977208), (2, 40488604), (4, 20244302), (8, 10122151), (13, 6229016), (26, 3114508), (31, 2612168), (52, 1557254), (62, 1306084), (104, 778627), (124, 653042), (248, 326521), (403, 200936), (806, 100468), (1612, 50234), (3224, 25117)]