51339560

素因数分解:

$2^3\times 5^1\times {\mathrm{887}}^1\times {\mathrm{1447}}^1$

素因数の和:2345

約数の個数: 32

約数和(自身を含む): 115724160

約数和(自身を除く): 64384600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 887, 1447, 1774, 2894, 3548, 4435, 5788, 7096, 7235, 8870, 11576, 14470, 17740, 28940, 35480, 57880, 1283489, 2566978, 5133956, 6417445, 10267912, 12834890, 25669780, 51339560]

約数ペア:

[(1, 51339560), (2, 25669780), (4, 12834890), (5, 10267912), (8, 6417445), (10, 5133956), (20, 2566978), (40, 1283489), (887, 57880), (1447, 35480), (1774, 28940), (2894, 17740), (3548, 14470), (4435, 11576), (5788, 8870), (7096, 7235)]