23738125

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2038

約数の個数: 20

約数和(自身を含む): 31240000

約数和(自身を除く): 7501875

約数列:

[1, 5, 19, 25, 95, 125, 475, 625, 1999, 2375, 9995, 11875, 37981, 49975, 189905, 249875, 949525, 1249375, 4747625, 23738125]

約数ペア:

[(1, 23738125), (5, 4747625), (19, 1249375), (25, 949525), (95, 249875), (125, 189905), (475, 49975), (625, 37981), (1999, 11875), (2375, 9995)]