5128784

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{16871}}^1$

素因数の和:16898

約数の個数: 20

約数和(自身を含む): 10460640

約数和(自身を除く): 5331856

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 16871, 33742, 67484, 134968, 269936, 320549, 641098, 1282196, 2564392, 5128784]

約数ペア:

[(1, 5128784), (2, 2564392), (4, 1282196), (8, 641098), (16, 320549), (19, 269936), (38, 134968), (76, 67484), (152, 33742), (304, 16871)]