12748040

素因数分解:

$2^3\times 5^1\times {\mathrm{318701}}^1$

素因数の和:318712

約数の個数: 16

約数和(自身を含む): 28683180

約数和(自身を除く): 15935140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 318701, 637402, 1274804, 1593505, 2549608, 3187010, 6374020, 12748040]

約数ペア:

[(1, 12748040), (2, 6374020), (4, 3187010), (5, 2549608), (8, 1593505), (10, 1274804), (20, 637402), (40, 318701)]