85090220

素因数分解:

$2^2\times 5^1\times {\mathrm{1559}}^1\times {\mathrm{2729}}^1$

素因数の和:4297

約数の個数: 24

約数和(自身を含む): 178869600

約数和(自身を除く): 93779380

約数列:

[1, 2, 4, 5, 10, 20, 1559, 2729, 3118, 5458, 6236, 7795, 10916, 13645, 15590, 27290, 31180, 54580, 4254511, 8509022, 17018044, 21272555, 42545110, 85090220]

約数ペア:

[(1, 85090220), (2, 42545110), (4, 21272555), (5, 17018044), (10, 8509022), (20, 4254511), (1559, 54580), (2729, 31180), (3118, 27290), (5458, 15590), (6236, 13645), (7795, 10916)]