81502340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{3343}}^1$

素因数の和:3428

約数の個数: 48

約数和(自身を含む): 182020608

約数和(自身を除く): 100518268

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 53, 92, 106, 115, 212, 230, 265, 460, 530, 1060, 1219, 2438, 3343, 4876, 6095, 6686, 12190, 13372, 16715, 24380, 33430, 66860, 76889, 153778, 177179, 307556, 354358, 384445, 708716, 768890, 885895, 1537780, 1771790, 3543580, 4075117, 8150234, 16300468, 20375585, 40751170, 81502340]

約数ペア:

[(1, 81502340), (2, 40751170), (4, 20375585), (5, 16300468), (10, 8150234), (20, 4075117), (23, 3543580), (46, 1771790), (53, 1537780), (92, 885895), (106, 768890), (115, 708716), (212, 384445), (230, 354358), (265, 307556), (460, 177179), (530, 153778), (1060, 76889), (1219, 66860), (2438, 33430), (3343, 24380), (4876, 16715), (6095, 13372), (6686, 12190)]