64190075

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{401}}^1$

素因数の和:767

約数の個数: 24

約数和(自身を含む): 84243120

約数和(自身を除く): 20053045

約数列:

[1, 5, 19, 25, 95, 337, 401, 475, 1685, 2005, 6403, 7619, 8425, 10025, 32015, 38095, 135137, 160075, 190475, 675685, 2567603, 3378425, 12838015, 64190075]

約数ペア:

[(1, 64190075), (5, 12838015), (19, 3378425), (25, 2567603), (95, 675685), (337, 190475), (401, 160075), (475, 135137), (1685, 38095), (2005, 32015), (6403, 10025), (7619, 8425)]