12660280

素因数分解:

$2^3\times 5^1\times {\mathrm{316507}}^1$

素因数の和:316518

約数の個数: 16

約数和(自身を含む): 28485720

約数和(自身を除く): 15825440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 316507, 633014, 1266028, 1582535, 2532056, 3165070, 6330140, 12660280]

約数ペア:

[(1, 12660280), (2, 6330140), (4, 3165070), (5, 2532056), (8, 1582535), (10, 1266028), (20, 633014), (40, 316507)]