131387800

素因数分解:

$2^3\times 5^2\times {\mathrm{656939}}^1$

素因数の和:656955

約数の個数: 24

約数和(自身を含む): 305477100

約数和(自身を除く): 174089300

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 656939, 1313878, 2627756, 3284695, 5255512, 6569390, 13138780, 16423475, 26277560, 32846950, 65693900, 131387800]

約数ペア:

[(1, 131387800), (2, 65693900), (4, 32846950), (5, 26277560), (8, 16423475), (10, 13138780), (20, 6569390), (25, 5255512), (40, 3284695), (50, 2627756), (100, 1313878), (200, 656939)]