12436400

素因数分解:

$2^4\times 5^2\times {\mathrm{31091}}^1$

素因数の和:31109

約数の個数: 30

約数和(自身を含む): 29879412

約数和(自身を除く): 17443012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 31091, 62182, 124364, 155455, 248728, 310910, 497456, 621820, 777275, 1243640, 1554550, 2487280, 3109100, 6218200, 12436400]

約数ペア:

[(1, 12436400), (2, 6218200), (4, 3109100), (5, 2487280), (8, 1554550), (10, 1243640), (16, 777275), (20, 621820), (25, 497456), (40, 310910), (50, 248728), (80, 155455), (100, 124364), (200, 62182), (400, 31091)]