66630875

素因数分解:

$5^3\times {\mathrm{643}}^1\times {\mathrm{829}}^1$

素因数の和:1487

約数の個数: 16

約数和(自身を含む): 83385120

約数和(自身を除く): 16754245

約数列:

[1, 5, 25, 125, 643, 829, 3215, 4145, 16075, 20725, 80375, 103625, 533047, 2665235, 13326175, 66630875]

約数ペア:

[(1, 66630875), (5, 13326175), (25, 2665235), (125, 533047), (643, 103625), (829, 80375), (3215, 20725), (4145, 16075)]