16254025

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{1801}}^1$

素因数の和:1849

約数の個数: 18

約数和(自身を含む): 21283422

約数和(自身を除く): 5029397

約数列:

[1, 5, 19, 25, 95, 361, 475, 1801, 1805, 9005, 9025, 34219, 45025, 171095, 650161, 855475, 3250805, 16254025]

約数ペア:

[(1, 16254025), (5, 3250805), (19, 855475), (25, 650161), (95, 171095), (361, 45025), (475, 34219), (1801, 9025), (1805, 9005)]