2885380

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1621}}^1$

素因数の和:1719

約数の個数: 24

約数和(自身を含む): 6131160

約数和(自身を除く): 3245780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1621, 1780, 3242, 6484, 8105, 16210, 32420, 144269, 288538, 577076, 721345, 1442690, 2885380]

約数ペア:

[(1, 2885380), (2, 1442690), (4, 721345), (5, 577076), (10, 288538), (20, 144269), (89, 32420), (178, 16210), (356, 8105), (445, 6484), (890, 3242), (1621, 1780)]