18383125

素因数分解:

$5^4\times {\mathrm{67}}^1\times {\mathrm{439}}^1$

素因数の和:526

約数の個数: 20

約数和(自身を含む): 23367520

約数和(自身を除く): 4984395

約数列:

[1, 5, 25, 67, 125, 335, 439, 625, 1675, 2195, 8375, 10975, 29413, 41875, 54875, 147065, 274375, 735325, 3676625, 18383125]

約数ペア:

[(1, 18383125), (5, 3676625), (25, 735325), (67, 274375), (125, 147065), (335, 54875), (439, 41875), (625, 29413), (1675, 10975), (2195, 8375)]