12667640

素因数分解:

$2^3\times 5^1\times {\mathrm{316691}}^1$

素因数の和:316702

約数の個数: 16

約数和(自身を含む): 28502280

約数和(自身を除く): 15834640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 316691, 633382, 1266764, 1583455, 2533528, 3166910, 6333820, 12667640]

約数ペア:

[(1, 12667640), (2, 6333820), (4, 3166910), (5, 2533528), (8, 1583455), (10, 1266764), (20, 633382), (40, 316691)]