85540225

素因数分解:

$5^2\times {\mathrm{811}}^1\times {\mathrm{4219}}^1$

素因数の和:5040

約数の個数: 12

約数和(自身を含む): 106225840

約数和(自身を除く): 20685615

約数列:

[1, 5, 25, 811, 4055, 4219, 20275, 21095, 105475, 3421609, 17108045, 85540225]

約数ペア:

[(1, 85540225), (5, 17108045), (25, 3421609), (811, 105475), (4055, 21095), (4219, 20275)]