64285075

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{419}}^1$

素因数の和:484

約数の個数: 36

約数和(自身を含む): 89291160

約数和(自身を除く): 25006085

約数列:

[1, 5, 17, 19, 25, 85, 95, 323, 361, 419, 425, 475, 1615, 1805, 2095, 6137, 7123, 7961, 8075, 9025, 10475, 30685, 35615, 39805, 135337, 151259, 153425, 178075, 199025, 676685, 756295, 2571403, 3383425, 3781475, 12857015, 64285075]

約数ペア:

[(1, 64285075), (5, 12857015), (17, 3781475), (19, 3383425), (25, 2571403), (85, 756295), (95, 676685), (323, 199025), (361, 178075), (419, 153425), (425, 151259), (475, 135337), (1615, 39805), (1805, 35615), (2095, 30685), (6137, 10475), (7123, 9025), (7961, 8075)]