20000875

素因数分解:

$5^3\times {\mathrm{53}}^1\times {\mathrm{3019}}^1$

素因数の和:3087

約数の個数: 16

約数和(自身を含む): 25440480

約数和(自身を除く): 5439605

約数列:

[1, 5, 25, 53, 125, 265, 1325, 3019, 6625, 15095, 75475, 160007, 377375, 800035, 4000175, 20000875]

約数ペア:

[(1, 20000875), (5, 4000175), (25, 800035), (53, 377375), (125, 160007), (265, 75475), (1325, 15095), (3019, 6625)]