13972880

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{449}}^1$

素因数の和:851

約数の個数: 40

約数和(自身を含む): 32643000

約数和(自身を除く): 18670120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 449, 778, 898, 1556, 1796, 1945, 2245, 3112, 3592, 3890, 4490, 6224, 7184, 7780, 8980, 15560, 17960, 31120, 35920, 174661, 349322, 698644, 873305, 1397288, 1746610, 2794576, 3493220, 6986440, 13972880]

約数ペア:

[(1, 13972880), (2, 6986440), (4, 3493220), (5, 2794576), (8, 1746610), (10, 1397288), (16, 873305), (20, 698644), (40, 349322), (80, 174661), (389, 35920), (449, 31120), (778, 17960), (898, 15560), (1556, 8980), (1796, 7780), (1945, 7184), (2245, 6224), (3112, 4490), (3592, 3890)]