16386875

素因数分解:

$5^4\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:344

約数の個数: 20

約数和(自身を含む): 20730864

約数和(自身を除く): 4343989

約数列:

[1, 5, 25, 125, 157, 167, 625, 785, 835, 3925, 4175, 19625, 20875, 26219, 98125, 104375, 131095, 655475, 3277375, 16386875]

約数ペア:

[(1, 16386875), (5, 3277375), (25, 655475), (125, 131095), (157, 104375), (167, 98125), (625, 26219), (785, 20875), (835, 19625), (3925, 4175)]