13991960

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{701}}^1$

素因数の和:1211

約数の個数: 32

約数和(自身を含む): 31590000

約数和(自身を除く): 17598040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 701, 998, 1402, 1996, 2495, 2804, 3505, 3992, 4990, 5608, 7010, 9980, 14020, 19960, 28040, 349799, 699598, 1399196, 1748995, 2798392, 3497990, 6995980, 13991960]

約数ペア:

[(1, 13991960), (2, 6995980), (4, 3497990), (5, 2798392), (8, 1748995), (10, 1399196), (20, 699598), (40, 349799), (499, 28040), (701, 19960), (998, 14020), (1402, 9980), (1996, 7010), (2495, 5608), (2804, 4990), (3505, 3992)]