205708120

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{24373}}^1$

素因数の和:24595

約数の個数: 32

約数和(自身を含む): 465055920

約数和(自身を除く): 259347800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 24373, 48746, 97492, 121865, 194984, 243730, 487460, 974920, 5142703, 10285406, 20570812, 25713515, 41141624, 51427030, 102854060, 205708120]

約数ペア:

[(1, 205708120), (2, 102854060), (4, 51427030), (5, 41141624), (8, 25713515), (10, 20570812), (20, 10285406), (40, 5142703), (211, 974920), (422, 487460), (844, 243730), (1055, 194984), (1688, 121865), (2110, 97492), (4220, 48746), (8440, 24373)]