13704440

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{863}}^1$

素因数の和:1271

約数の個数: 32

約数和(自身を含む): 30948480

約数和(自身を除く): 17244040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 863, 1588, 1726, 1985, 3176, 3452, 3970, 4315, 6904, 7940, 8630, 15880, 17260, 34520, 342611, 685222, 1370444, 1713055, 2740888, 3426110, 6852220, 13704440]

約数ペア:

[(1, 13704440), (2, 6852220), (4, 3426110), (5, 2740888), (8, 1713055), (10, 1370444), (20, 685222), (40, 342611), (397, 34520), (794, 17260), (863, 15880), (1588, 8630), (1726, 7940), (1985, 6904), (3176, 4315), (3452, 3970)]