1983125

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:206

約数の個数: 20

約数和(自身を含む): 2624160

約数和(自身を除く): 641035

約数列:

[1, 5, 19, 25, 95, 125, 167, 475, 625, 835, 2375, 3173, 4175, 11875, 15865, 20875, 79325, 104375, 396625, 1983125]

約数ペア:

[(1, 1983125), (5, 396625), (19, 104375), (25, 79325), (95, 20875), (125, 15865), (167, 11875), (475, 4175), (625, 3173), (835, 2375)]