2256400

素因数分解:

$2^4\times 5^2\times {\mathrm{5641}}^1$

素因数の和:5659

約数の個数: 30

約数和(自身を含む): 5421962

約数和(自身を除く): 3165562

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 5641, 11282, 22564, 28205, 45128, 56410, 90256, 112820, 141025, 225640, 282050, 451280, 564100, 1128200, 2256400]

約数ペア:

[(1, 2256400), (2, 1128200), (4, 564100), (5, 451280), (8, 282050), (10, 225640), (16, 141025), (20, 112820), (25, 90256), (40, 56410), (50, 45128), (80, 28205), (100, 22564), (200, 11282), (400, 5641)]