13731280

素因数分解:

$2^4\times 5^1\times {\mathrm{171641}}^1$

素因数の和:171654

約数の個数: 20

約数和(自身を含む): 31925412

約数和(自身を除く): 18194132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 171641, 343282, 686564, 858205, 1373128, 1716410, 2746256, 3432820, 6865640, 13731280]

約数ペア:

[(1, 13731280), (2, 6865640), (4, 3432820), (5, 2746256), (8, 1716410), (10, 1373128), (16, 858205), (20, 686564), (40, 343282), (80, 171641)]