40998140

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{16141}}^1$

素因数の和:16277

約数の個数: 24

約数和(自身を含む): 86779392

約数和(自身を除く): 45781252

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 16141, 32282, 64564, 80705, 161410, 322820, 2049907, 4099814, 8199628, 10249535, 20499070, 40998140]

約数ペア:

[(1, 40998140), (2, 20499070), (4, 10249535), (5, 8199628), (10, 4099814), (20, 2049907), (127, 322820), (254, 161410), (508, 80705), (635, 64564), (1270, 32282), (2540, 16141)]