203279680

素因数分解:

$2^6\times 5^1\times {\mathrm{635249}}^1$

素因数の和:635266

約数の個数: 28

約数和(自身を含む): 484060500

約数和(自身を除く): 280780820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 635249, 1270498, 2540996, 3176245, 5081992, 6352490, 10163984, 12704980, 20327968, 25409960, 40655936, 50819920, 101639840, 203279680]

約数ペア:

[(1, 203279680), (2, 101639840), (4, 50819920), (5, 40655936), (8, 25409960), (10, 20327968), (16, 12704980), (20, 10163984), (32, 6352490), (40, 5081992), (64, 3176245), (80, 2540996), (160, 1270498), (320, 635249)]