71865080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{256661}}^1$

素因数の和:256679

約数の個数: 32

約数和(自身を含む): 184796640

約数和(自身を除く): 112931560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 256661, 513322, 1026644, 1283305, 1796627, 2053288, 2566610, 3593254, 5133220, 7186508, 8983135, 10266440, 14373016, 17966270, 35932540, 71865080]

約数ペア:

[(1, 71865080), (2, 35932540), (4, 17966270), (5, 14373016), (7, 10266440), (8, 8983135), (10, 7186508), (14, 5133220), (20, 3593254), (28, 2566610), (35, 2053288), (40, 1796627), (56, 1283305), (70, 1026644), (140, 513322), (280, 256661)]