133033480

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{12941}}^1$

素因数の和:13209

約数の個数: 32

約数和(自身を含む): 300513240

約数和(自身を除く): 167479760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 10280, 12941, 25882, 51764, 64705, 103528, 129410, 258820, 517640, 3325837, 6651674, 13303348, 16629185, 26606696, 33258370, 66516740, 133033480]

約数ペア:

[(1, 133033480), (2, 66516740), (4, 33258370), (5, 26606696), (8, 16629185), (10, 13303348), (20, 6651674), (40, 3325837), (257, 517640), (514, 258820), (1028, 129410), (1285, 103528), (2056, 64705), (2570, 51764), (5140, 25882), (10280, 12941)]