28544375

素因数分解:

$5^4\times {\mathrm{109}}^1\times {\mathrm{419}}^1$

素因数の和:548

約数の個数: 20

約数和(自身を含む): 36082200

約数和(自身を除く): 7537825

約数列:

[1, 5, 25, 109, 125, 419, 545, 625, 2095, 2725, 10475, 13625, 45671, 52375, 68125, 228355, 261875, 1141775, 5708875, 28544375]

約数ペア:

[(1, 28544375), (5, 5708875), (25, 1141775), (109, 261875), (125, 228355), (419, 68125), (545, 52375), (625, 45671), (2095, 13625), (2725, 10475)]