57821140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{222389}}^1$

素因数の和:222411

約数の個数: 24

約数和(自身を含む): 130765320

約数和(自身を除く): 72944180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 222389, 444778, 889556, 1111945, 2223890, 2891057, 4447780, 5782114, 11564228, 14455285, 28910570, 57821140]

約数ペア:

[(1, 57821140), (2, 28910570), (4, 14455285), (5, 11564228), (10, 5782114), (13, 4447780), (20, 2891057), (26, 2223890), (52, 1111945), (65, 889556), (130, 444778), (260, 222389)]