28250080

素因数分解:

$2^5\times 5^1\times {\mathrm{383}}^1\times {\mathrm{461}}^1$

素因数の和:859

約数の個数: 48

約数和(自身を含む): 67060224

約数和(自身を除く): 38810144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 383, 461, 766, 922, 1532, 1844, 1915, 2305, 3064, 3688, 3830, 4610, 6128, 7376, 7660, 9220, 12256, 14752, 15320, 18440, 30640, 36880, 61280, 73760, 176563, 353126, 706252, 882815, 1412504, 1765630, 2825008, 3531260, 5650016, 7062520, 14125040, 28250080]

約数ペア:

[(1, 28250080), (2, 14125040), (4, 7062520), (5, 5650016), (8, 3531260), (10, 2825008), (16, 1765630), (20, 1412504), (32, 882815), (40, 706252), (80, 353126), (160, 176563), (383, 73760), (461, 61280), (766, 36880), (922, 30640), (1532, 18440), (1844, 15320), (1915, 14752), (2305, 12256), (3064, 9220), (3688, 7660), (3830, 7376), (4610, 6128)]