859943125

素因数分解:

$5^4\times {\mathrm{71}}^1\times {\mathrm{19379}}^1$

素因数の和:19470

約数の個数: 20

約数和(自身を含む): 1089776160

約数和(自身を除く): 229833035

約数列:

[1, 5, 25, 71, 125, 355, 625, 1775, 8875, 19379, 44375, 96895, 484475, 1375909, 2422375, 6879545, 12111875, 34397725, 171988625, 859943125]

約数ペア:

[(1, 859943125), (5, 171988625), (25, 34397725), (71, 12111875), (125, 6879545), (355, 2422375), (625, 1375909), (1775, 484475), (8875, 96895), (19379, 44375)]