128121085

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{20129}}^1$

素因数の和:20220

約数の個数: 16

約数和(自身を含む): 164260800

約数和(自身を除く): 36139715

約数列:

[1, 5, 19, 67, 95, 335, 1273, 6365, 20129, 100645, 382451, 1348643, 1912255, 6743215, 25624217, 128121085]

約数ペア:

[(1, 128121085), (5, 25624217), (19, 6743215), (67, 1912255), (95, 1348643), (335, 382451), (1273, 100645), (6365, 20129)]