12722950

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{3221}}^1$

素因数の和:3312

約数の個数: 24

約数和(自身を含む): 23971680

約数和(自身を除く): 11248730

約数列:

[1, 2, 5, 10, 25, 50, 79, 158, 395, 790, 1975, 3221, 3950, 6442, 16105, 32210, 80525, 161050, 254459, 508918, 1272295, 2544590, 6361475, 12722950]

約数ペア:

[(1, 12722950), (2, 6361475), (5, 2544590), (10, 1272295), (25, 508918), (50, 254459), (79, 161050), (158, 80525), (395, 32210), (790, 16105), (1975, 6442), (3221, 3950)]