1985655160

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{390877}}^1$

素因数の和:391015

約数の個数: 32

約数和(自身を含む): 4502914560

約数和(自身を除く): 2517259400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 390877, 781754, 1563508, 1954385, 3127016, 3908770, 7817540, 15635080, 49641379, 99282758, 198565516, 248206895, 397131032, 496413790, 992827580, 1985655160]

約数ペア:

[(1, 1985655160), (2, 992827580), (4, 496413790), (5, 397131032), (8, 248206895), (10, 198565516), (20, 99282758), (40, 49641379), (127, 15635080), (254, 7817540), (508, 3908770), (635, 3127016), (1016, 1954385), (1270, 1563508), (2540, 781754), (5080, 390877)]