1085389640

素因数分解:

$2^3\times 5^1\times {\mathrm{27134741}}^1$

素因数の和:27134752

約数の個数: 16

約数和(自身を含む): 2442126780

約数和(自身を除く): 1356737140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 27134741, 54269482, 108538964, 135673705, 217077928, 271347410, 542694820, 1085389640]

約数ペア:

[(1, 1085389640), (2, 542694820), (4, 271347410), (5, 217077928), (8, 135673705), (10, 108538964), (20, 54269482), (40, 27134741)]