2861875

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{241}}^1$

素因数の和:280

約数の個数: 20

約数和(自身を含む): 3780040

約数和(自身を除く): 918165

約数列:

[1, 5, 19, 25, 95, 125, 241, 475, 625, 1205, 2375, 4579, 6025, 11875, 22895, 30125, 114475, 150625, 572375, 2861875]

約数ペア:

[(1, 2861875), (5, 572375), (19, 150625), (25, 114475), (95, 30125), (125, 22895), (241, 11875), (475, 6025), (625, 4579), (1205, 2375)]