13991800

素因数分解:

$2^3\times 5^2\times {\mathrm{69959}}^1$

素因数の和:69975

約数の個数: 24

約数和(自身を含む): 32531400

約数和(自身を除く): 18539600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 69959, 139918, 279836, 349795, 559672, 699590, 1399180, 1748975, 2798360, 3497950, 6995900, 13991800]

約数ペア:

[(1, 13991800), (2, 6995900), (4, 3497950), (5, 2798360), (8, 1748975), (10, 1399180), (20, 699590), (25, 559672), (40, 349795), (50, 279836), (100, 139918), (200, 69959)]