81200555

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{293}}^1\times {\mathrm{1289}}^1$

素因数の和:1630

約数の個数: 16

約数和(自身を含む): 100124640

約数和(自身を除く): 18924085

約数列:

[1, 5, 43, 215, 293, 1289, 1465, 6445, 12599, 55427, 62995, 277135, 377677, 1888385, 16240111, 81200555]

約数ペア:

[(1, 81200555), (5, 16240111), (43, 1888385), (215, 377677), (293, 277135), (1289, 62995), (1465, 55427), (6445, 12599)]