25380440

素因数分解:

$2^3\times 5^1\times {\mathrm{634511}}^1$

素因数の和:634522

約数の個数: 16

約数和(自身を含む): 57106080

約数和(自身を除く): 31725640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 634511, 1269022, 2538044, 3172555, 5076088, 6345110, 12690220, 25380440]

約数ペア:

[(1, 25380440), (2, 12690220), (4, 6345110), (5, 5076088), (8, 3172555), (10, 2538044), (20, 1269022), (40, 634511)]