120200

素因数分解:

$2^3\times 5^2\times {\mathrm{601}}^1$

素因数の和:617

約数の個数: 24

約数和(自身を含む): 279930

約数和(自身を除く): 159730

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 601, 1202, 2404, 3005, 4808, 6010, 12020, 15025, 24040, 30050, 60100, 120200]

約数ペア:

[(1, 120200), (2, 60100), (4, 30050), (5, 24040), (8, 15025), (10, 12020), (20, 6010), (25, 4808), (40, 3005), (50, 2404), (100, 1202), (200, 601)]