2440400

素因数分解:

$2^4\times 5^2\times {\mathrm{6101}}^1$

素因数の和:6119

約数の個数: 30

約数和(自身を含む): 5864022

約数和(自身を除く): 3423622

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 6101, 12202, 24404, 30505, 48808, 61010, 97616, 122020, 152525, 244040, 305050, 488080, 610100, 1220200, 2440400]

約数ペア:

[(1, 2440400), (2, 1220200), (4, 610100), (5, 488080), (8, 305050), (10, 244040), (16, 152525), (20, 122020), (25, 97616), (40, 61010), (50, 48808), (80, 30505), (100, 24404), (200, 12202), (400, 6101)]