12796040

素因数分解:

$2^3\times 5^1\times {\mathrm{319901}}^1$

素因数の和:319912

約数の個数: 16

約数和(自身を含む): 28791180

約数和(自身を除く): 15995140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 319901, 639802, 1279604, 1599505, 2559208, 3199010, 6398020, 12796040]

約数ペア:

[(1, 12796040), (2, 6398020), (4, 3199010), (5, 2559208), (8, 1599505), (10, 1279604), (20, 639802), (40, 319901)]