13999880

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3271}}^1$

素因数の和:3389

約数の個数: 32

約数和(自身を含む): 31803840

約数和(自身を除く): 17803960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 3271, 4280, 6542, 13084, 16355, 26168, 32710, 65420, 130840, 349997, 699994, 1399988, 1749985, 2799976, 3499970, 6999940, 13999880]

約数ペア:

[(1, 13999880), (2, 6999940), (4, 3499970), (5, 2799976), (8, 1749985), (10, 1399988), (20, 699994), (40, 349997), (107, 130840), (214, 65420), (428, 32710), (535, 26168), (856, 16355), (1070, 13084), (2140, 6542), (3271, 4280)]