10438040

素因数分解:

$2^3\times 5^1\times {\mathrm{260951}}^1$

素因数の和:260962

約数の個数: 16

約数和(自身を含む): 23485680

約数和(自身を除く): 13047640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 260951, 521902, 1043804, 1304755, 2087608, 2609510, 5219020, 10438040]

約数ペア:

[(1, 10438040), (2, 5219020), (4, 2609510), (5, 2087608), (8, 1304755), (10, 1043804), (20, 521902), (40, 260951)]