220060520

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{43319}}^1$

素因数の和:43457

約数の個数: 32

約数和(自身を含む): 499046400

約数和(自身を除く): 278985880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 43319, 86638, 173276, 216595, 346552, 433190, 866380, 1732760, 5501513, 11003026, 22006052, 27507565, 44012104, 55015130, 110030260, 220060520]

約数ペア:

[(1, 220060520), (2, 110030260), (4, 55015130), (5, 44012104), (8, 27507565), (10, 22006052), (20, 11003026), (40, 5501513), (127, 1732760), (254, 866380), (508, 433190), (635, 346552), (1016, 216595), (1270, 173276), (2540, 86638), (5080, 43319)]