1520281480

素因数分解:

$2^3\times 5^1\times {\mathrm{5471}}^1\times {\mathrm{6947}}^1$

素因数の和:12429

約数の個数: 32

約数和(自身を含む): 3421751040

約数和(自身を除く): 1901469560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5471, 6947, 10942, 13894, 21884, 27355, 27788, 34735, 43768, 54710, 55576, 69470, 109420, 138940, 218840, 277880, 38007037, 76014074, 152028148, 190035185, 304056296, 380070370, 760140740, 1520281480]

約数ペア:

[(1, 1520281480), (2, 760140740), (4, 380070370), (5, 304056296), (8, 190035185), (10, 152028148), (20, 76014074), (40, 38007037), (5471, 277880), (6947, 218840), (10942, 138940), (13894, 109420), (21884, 69470), (27355, 55576), (27788, 54710), (34735, 43768)]