2019975025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{16547}}^1$

素因数の和:16833

約数の個数: 24

約数和(自身を含む): 2647018080

約数和(自身を除く): 627043055

約数列:

[1, 5, 19, 25, 95, 257, 475, 1285, 4883, 6425, 16547, 24415, 82735, 122075, 314393, 413675, 1571965, 4252579, 7859825, 21262895, 80799001, 106314475, 403995005, 2019975025]

約数ペア:

[(1, 2019975025), (5, 403995005), (19, 106314475), (25, 80799001), (95, 21262895), (257, 7859825), (475, 4252579), (1285, 1571965), (4883, 413675), (6425, 314393), (16547, 122075), (24415, 82735)]