12931040

素因数分解:

$2^5\times 5^1\times {\mathrm{80819}}^1$

素因数の和:80834

約数の個数: 24

約数和(自身を含む): 30549960

約数和(自身を除く): 17618920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 80819, 161638, 323276, 404095, 646552, 808190, 1293104, 1616380, 2586208, 3232760, 6465520, 12931040]

約数ペア:

[(1, 12931040), (2, 6465520), (4, 3232760), (5, 2586208), (8, 1616380), (10, 1293104), (16, 808190), (20, 646552), (32, 404095), (40, 323276), (80, 161638), (160, 80819)]