255720680

素因数分解:

$2^3\times 5^1\times {\mathrm{587}}^1\times {\mathrm{10891}}^1$

素因数の和:11489

約数の個数: 32

約数和(自身を含む): 576404640

約数和(自身を除く): 320683960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 587, 1174, 2348, 2935, 4696, 5870, 10891, 11740, 21782, 23480, 43564, 54455, 87128, 108910, 217820, 435640, 6393017, 12786034, 25572068, 31965085, 51144136, 63930170, 127860340, 255720680]

約数ペア:

[(1, 255720680), (2, 127860340), (4, 63930170), (5, 51144136), (8, 31965085), (10, 25572068), (20, 12786034), (40, 6393017), (587, 435640), (1174, 217820), (2348, 108910), (2935, 87128), (4696, 54455), (5870, 43564), (10891, 23480), (11740, 21782)]