51887120

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{5107}}^1$

素因数の和:5247

約数の個数: 40

約数和(自身を含む): 121611264

約数和(自身を除く): 69724144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 5107, 10160, 10214, 20428, 25535, 40856, 51070, 81712, 102140, 204280, 408560, 648589, 1297178, 2594356, 3242945, 5188712, 6485890, 10377424, 12971780, 25943560, 51887120]

約数ペア:

[(1, 51887120), (2, 25943560), (4, 12971780), (5, 10377424), (8, 6485890), (10, 5188712), (16, 3242945), (20, 2594356), (40, 1297178), (80, 648589), (127, 408560), (254, 204280), (508, 102140), (635, 81712), (1016, 51070), (1270, 40856), (2032, 25535), (2540, 20428), (5080, 10214), (5107, 10160)]