2680400

素因数分解:

$2^4\times 5^2\times {\mathrm{6701}}^1$

素因数の和:6719

約数の個数: 30

約数和(自身を含む): 6440622

約数和(自身を除く): 3760222

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 6701, 13402, 26804, 33505, 53608, 67010, 107216, 134020, 167525, 268040, 335050, 536080, 670100, 1340200, 2680400]

約数ペア:

[(1, 2680400), (2, 1340200), (4, 670100), (5, 536080), (8, 335050), (10, 268040), (16, 167525), (20, 134020), (25, 107216), (40, 67010), (50, 53608), (80, 33505), (100, 26804), (200, 13402), (400, 6701)]