84400625

素因数分解:

$5^4\times {\mathrm{83}}^1\times {\mathrm{1627}}^1$

素因数の和:1730

約数の個数: 20

約数和(自身を含む): 106803312

約数和(自身を除く): 22402687

約数列:

[1, 5, 25, 83, 125, 415, 625, 1627, 2075, 8135, 10375, 40675, 51875, 135041, 203375, 675205, 1016875, 3376025, 16880125, 84400625]

約数ペア:

[(1, 84400625), (5, 16880125), (25, 3376025), (83, 1016875), (125, 675205), (415, 203375), (625, 135041), (1627, 51875), (2075, 40675), (8135, 10375)]