81510200

素因数分解:

$2^3\times 5^2\times {\mathrm{109}}^1\times {\mathrm{3739}}^1$

素因数の和:3864

約数の個数: 48

約数和(自身を含む): 191301000

約数和(自身を除く): 109790800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 109, 200, 218, 436, 545, 872, 1090, 2180, 2725, 3739, 4360, 5450, 7478, 10900, 14956, 18695, 21800, 29912, 37390, 74780, 93475, 149560, 186950, 373900, 407551, 747800, 815102, 1630204, 2037755, 3260408, 4075510, 8151020, 10188775, 16302040, 20377550, 40755100, 81510200]

約数ペア:

[(1, 81510200), (2, 40755100), (4, 20377550), (5, 16302040), (8, 10188775), (10, 8151020), (20, 4075510), (25, 3260408), (40, 2037755), (50, 1630204), (100, 815102), (109, 747800), (200, 407551), (218, 373900), (436, 186950), (545, 149560), (872, 93475), (1090, 74780), (2180, 37390), (2725, 29912), (3739, 21800), (4360, 18695), (5450, 14956), (7478, 10900)]