8434280

素因数分解:

$2^3\times 5^1\times {\mathrm{210857}}^1$

素因数の和:210868

約数の個数: 16

約数和(自身を含む): 18977220

約数和(自身を除く): 10542940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 210857, 421714, 843428, 1054285, 1686856, 2108570, 4217140, 8434280]

約数ペア:

[(1, 8434280), (2, 4217140), (4, 2108570), (5, 1686856), (8, 1054285), (10, 843428), (20, 421714), (40, 210857)]