203207440

素因数分解:

$2^4\times 5^1\times {\mathrm{2540093}}^1$

素因数の和:2540106

約数の個数: 20

約数和(自身を含む): 472457484

約数和(自身を除く): 269250044

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2540093, 5080186, 10160372, 12700465, 20320744, 25400930, 40641488, 50801860, 101603720, 203207440]

約数ペア:

[(1, 203207440), (2, 101603720), (4, 50801860), (5, 40641488), (8, 25400930), (10, 20320744), (16, 12700465), (20, 10160372), (40, 5080186), (80, 2540093)]