680875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{419}}^1$

素因数の和:447

約数の個数: 16

約数和(自身を含む): 917280

約数和(自身を除く): 236405

約数列:

[1, 5, 13, 25, 65, 125, 325, 419, 1625, 2095, 5447, 10475, 27235, 52375, 136175, 680875]

約数ペア:

[(1, 680875), (5, 136175), (13, 52375), (25, 27235), (65, 10475), (125, 5447), (325, 2095), (419, 1625)]