128519975

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{2213}}^1$

素因数の和:2347

約数の個数: 24

約数和(自身を含む): 168016032

約数和(自身を除く): 39496057

約数列:

[1, 5, 23, 25, 101, 115, 505, 575, 2213, 2323, 2525, 11065, 11615, 50899, 55325, 58075, 223513, 254495, 1117565, 1272475, 5140799, 5587825, 25703995, 128519975]

約数ペア:

[(1, 128519975), (5, 25703995), (23, 5587825), (25, 5140799), (101, 1272475), (115, 1117565), (505, 254495), (575, 223513), (2213, 58075), (2323, 55325), (2525, 50899), (11065, 11615)]