4255600

素因数分解:

$2^4\times 5^2\times {\mathrm{10639}}^1$

素因数の和:10657

約数の個数: 30

約数和(自身を含む): 10225040

約数和(自身を除く): 5969440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 10639, 21278, 42556, 53195, 85112, 106390, 170224, 212780, 265975, 425560, 531950, 851120, 1063900, 2127800, 4255600]

約数ペア:

[(1, 4255600), (2, 2127800), (4, 1063900), (5, 851120), (8, 531950), (10, 425560), (16, 265975), (20, 212780), (25, 170224), (40, 106390), (50, 85112), (80, 53195), (100, 42556), (200, 21278), (400, 10639)]