99109960

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{12451}}^1$

素因数の和:12661

約数の個数: 32

約数和(自身を含む): 224136000

約数和(自身を除く): 125026040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 12451, 24902, 49804, 62255, 99608, 124510, 249020, 498040, 2477749, 4955498, 9910996, 12388745, 19821992, 24777490, 49554980, 99109960]

約数ペア:

[(1, 99109960), (2, 49554980), (4, 24777490), (5, 19821992), (8, 12388745), (10, 9910996), (20, 4955498), (40, 2477749), (199, 498040), (398, 249020), (796, 124510), (995, 99608), (1592, 62255), (1990, 49804), (3980, 24902), (7960, 12451)]