55999280

素因数分解:

$2^4\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1559}}^1$

素因数の和:2021

約数の個数: 40

約数和(自身を含む): 130572000

約数和(自身を除く): 74572720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 449, 898, 1559, 1796, 2245, 3118, 3592, 4490, 6236, 7184, 7795, 8980, 12472, 15590, 17960, 24944, 31180, 35920, 62360, 124720, 699991, 1399982, 2799964, 3499955, 5599928, 6999910, 11199856, 13999820, 27999640, 55999280]

約数ペア:

[(1, 55999280), (2, 27999640), (4, 13999820), (5, 11199856), (8, 6999910), (10, 5599928), (16, 3499955), (20, 2799964), (40, 1399982), (80, 699991), (449, 124720), (898, 62360), (1559, 35920), (1796, 31180), (2245, 24944), (3118, 17960), (3592, 15590), (4490, 12472), (6236, 8980), (7184, 7795)]