81707095

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1\times {\mathrm{907}}^1$

素因数の和:1374

約数の個数: 16

約数和(自身を含む): 100679040

約数和(自身を除く): 18971945

約数列:

[1, 5, 43, 215, 419, 907, 2095, 4535, 18017, 39001, 90085, 195005, 380033, 1900165, 16341419, 81707095]

約数ペア:

[(1, 81707095), (5, 16341419), (43, 1900165), (215, 380033), (419, 195005), (907, 90085), (2095, 39001), (4535, 18017)]