51219280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{91463}}^1$

素因数の和:91483

約数の個数: 40

約数和(自身を含む): 136098432

約数和(自身を除く): 84879152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 91463, 182926, 365852, 457315, 640241, 731704, 914630, 1280482, 1463408, 1829260, 2560964, 3201205, 3658520, 5121928, 6402410, 7317040, 10243856, 12804820, 25609640, 51219280]

約数ペア:

[(1, 51219280), (2, 25609640), (4, 12804820), (5, 10243856), (7, 7317040), (8, 6402410), (10, 5121928), (14, 3658520), (16, 3201205), (20, 2560964), (28, 1829260), (35, 1463408), (40, 1280482), (56, 914630), (70, 731704), (80, 640241), (112, 457315), (140, 365852), (280, 182926), (560, 91463)]