54840040

素因数分解:

$2^3\times 5^1\times {\mathrm{1371001}}^1$

素因数の和:1371012

約数の個数: 16

約数和(自身を含む): 123390180

約数和(自身を除く): 68550140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1371001, 2742002, 5484004, 6855005, 10968008, 13710010, 27420020, 54840040]

約数ペア:

[(1, 54840040), (2, 27420020), (4, 13710010), (5, 10968008), (8, 6855005), (10, 5484004), (20, 2742002), (40, 1371001)]