86508711875

素因数分解:

$5^4\times {\mathrm{331}}^1\times {\mathrm{418169}}^1$

素因数の和:418520

約数の個数: 20

約数和(自身を含む): 108428135640

約数和(自身を除く): 21919423765

約数列:

[1, 5, 25, 125, 331, 625, 1655, 8275, 41375, 206875, 418169, 2090845, 10454225, 52271125, 138413939, 261355625, 692069695, 3460348475, 17301742375, 86508711875]

約数ペア:

[(1, 86508711875), (5, 17301742375), (25, 3460348475), (125, 692069695), (331, 261355625), (625, 138413939), (1655, 52271125), (8275, 10454225), (41375, 2090845), (206875, 418169)]