164540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{433}}^1$

素因数の和:461

約数の個数: 24

約数和(自身を含む): 364560

約数和(自身を除く): 200020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 433, 866, 1732, 2165, 4330, 8227, 8660, 16454, 32908, 41135, 82270, 164540]

約数ペア:

[(1, 164540), (2, 82270), (4, 41135), (5, 32908), (10, 16454), (19, 8660), (20, 8227), (38, 4330), (76, 2165), (95, 1732), (190, 866), (380, 433)]