40330556

素因数分解:

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

素因数の和:20369

約数の個数: 24

約数和(自身を含む): 81801216

約数和(自身を除く): 41470660

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 20287, 40574, 81148, 142009, 284018, 568036, 1440377, 2880754, 5761508, 10082639, 20165278, 40330556]

約数ペア:

[(1, 40330556), (2, 20165278), (4, 10082639), (7, 5761508), (14, 2880754), (28, 1440377), (71, 568036), (142, 284018), (284, 142009), (497, 81148), (994, 40574), (1988, 20287)]