27954280

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{1373}}^1$

素因数の和:1893

約数の個数: 32

約数和(自身を含む): 63066600

約数和(自身を除く): 35112320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 1018, 1373, 2036, 2545, 2746, 4072, 5090, 5492, 6865, 10180, 10984, 13730, 20360, 27460, 54920, 698857, 1397714, 2795428, 3494285, 5590856, 6988570, 13977140, 27954280]

約数ペア:

[(1, 27954280), (2, 13977140), (4, 6988570), (5, 5590856), (8, 3494285), (10, 2795428), (20, 1397714), (40, 698857), (509, 54920), (1018, 27460), (1373, 20360), (2036, 13730), (2545, 10984), (2746, 10180), (4072, 6865), (5090, 5492)]