12631280

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3851}}^1$

素因数の和:3905

約数の個数: 40

約数和(自身を含む): 30091824

約数和(自身を除く): 17460544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 3851, 7702, 15404, 19255, 30808, 38510, 61616, 77020, 154040, 157891, 308080, 315782, 631564, 789455, 1263128, 1578910, 2526256, 3157820, 6315640, 12631280]

約数ペア:

[(1, 12631280), (2, 6315640), (4, 3157820), (5, 2526256), (8, 1578910), (10, 1263128), (16, 789455), (20, 631564), (40, 315782), (41, 308080), (80, 157891), (82, 154040), (164, 77020), (205, 61616), (328, 38510), (410, 30808), (656, 19255), (820, 15404), (1640, 7702), (3280, 3851)]