42689375

素因数分解:

$5^4\times {\mathrm{167}}^1\times {\mathrm{409}}^1$

素因数の和:596

約数の個数: 20

約数和(自身を含む): 53795280

約数和(自身を除く): 11105905

約数列:

[1, 5, 25, 125, 167, 409, 625, 835, 2045, 4175, 10225, 20875, 51125, 68303, 104375, 255625, 341515, 1707575, 8537875, 42689375]

約数ペア:

[(1, 42689375), (5, 8537875), (25, 1707575), (125, 341515), (167, 255625), (409, 104375), (625, 68303), (835, 51125), (2045, 20875), (4175, 10225)]