15395920

素因数分解:

$2^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{863}}^1$

素因数の和:1099

約数の個数: 40

約数和(自身を含む): 35997696

約数和(自身を除く): 20601776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 223, 446, 863, 892, 1115, 1726, 1784, 2230, 3452, 3568, 4315, 4460, 6904, 8630, 8920, 13808, 17260, 17840, 34520, 69040, 192449, 384898, 769796, 962245, 1539592, 1924490, 3079184, 3848980, 7697960, 15395920]

約数ペア:

[(1, 15395920), (2, 7697960), (4, 3848980), (5, 3079184), (8, 1924490), (10, 1539592), (16, 962245), (20, 769796), (40, 384898), (80, 192449), (223, 69040), (446, 34520), (863, 17840), (892, 17260), (1115, 13808), (1726, 8920), (1784, 8630), (2230, 6904), (3452, 4460), (3568, 4315)]