165718160

素因数分解:

$2^4\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{2053}}^1$

素因数の和:3075

約数の個数: 40

約数和(自身を含む): 385864440

約数和(自身を除く): 220146280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1009, 2018, 2053, 4036, 4106, 5045, 8072, 8212, 10090, 10265, 16144, 16424, 20180, 20530, 32848, 40360, 41060, 80720, 82120, 164240, 2071477, 4142954, 8285908, 10357385, 16571816, 20714770, 33143632, 41429540, 82859080, 165718160]

約数ペア:

[(1, 165718160), (2, 82859080), (4, 41429540), (5, 33143632), (8, 20714770), (10, 16571816), (16, 10357385), (20, 8285908), (40, 4142954), (80, 2071477), (1009, 164240), (2018, 82120), (2053, 80720), (4036, 41060), (4106, 40360), (5045, 32848), (8072, 20530), (8212, 20180), (10090, 16424), (10265, 16144)]