80661112

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20287}}^1$

素因数の和:20371

約数の個数: 32

約数和(自身を含む): 175288320

約数和(自身を除く): 94627208

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 20287, 40574, 81148, 142009, 162296, 284018, 568036, 1136072, 1440377, 2880754, 5761508, 10082639, 11523016, 20165278, 40330556, 80661112]

約数ペア:

[(1, 80661112), (2, 40330556), (4, 20165278), (7, 11523016), (8, 10082639), (14, 5761508), (28, 2880754), (56, 1440377), (71, 1136072), (142, 568036), (284, 284018), (497, 162296), (568, 142009), (994, 81148), (1988, 40574), (3976, 20287)]