40377185

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{661}}^1$

素因数の和:1328

約数の個数: 16

約数和(自身を含む): 51159360

約数和(自身を除く): 10782175

約数列:

[1, 5, 19, 95, 643, 661, 3215, 3305, 12217, 12559, 61085, 62795, 425023, 2125115, 8075437, 40377185]

約数ペア:

[(1, 40377185), (5, 8075437), (19, 2125115), (95, 425023), (643, 62795), (661, 61085), (3215, 12559), (3305, 12217)]