28583125

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:151

約数の個数: 40

約数和(自身を含む): 39362400

約数和(自身を除く): 10779275

約数列:

[1, 5, 19, 25, 29, 83, 95, 125, 145, 415, 475, 551, 625, 725, 1577, 2075, 2375, 2407, 2755, 3625, 7885, 10375, 11875, 12035, 13775, 18125, 39425, 45733, 51875, 60175, 68875, 197125, 228665, 300875, 344375, 985625, 1143325, 1504375, 5716625, 28583125]

約数ペア:

[(1, 28583125), (5, 5716625), (19, 1504375), (25, 1143325), (29, 985625), (83, 344375), (95, 300875), (125, 228665), (145, 197125), (415, 68875), (475, 60175), (551, 51875), (625, 45733), (725, 39425), (1577, 18125), (2075, 13775), (2375, 12035), (2407, 11875), (2755, 10375), (3625, 7885)]