13728940

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2671}}^1$

素因数の和:2937

約数の個数: 24

約数和(自身を含む): 28953792

約数和(自身を除く): 15224852

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 2671, 5140, 5342, 10684, 13355, 26710, 53420, 686447, 1372894, 2745788, 3432235, 6864470, 13728940]

約数ペア:

[(1, 13728940), (2, 6864470), (4, 3432235), (5, 2745788), (10, 1372894), (20, 686447), (257, 53420), (514, 26710), (1028, 13355), (1285, 10684), (2570, 5342), (2671, 5140)]