25843900

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{2371}}^1$

素因数の和:2494

約数の個数: 36

約数和(自身を含む): 56619640

約数和(自身を除く): 30775740

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 218, 436, 545, 1090, 2180, 2371, 2725, 4742, 5450, 9484, 10900, 11855, 23710, 47420, 59275, 118550, 237100, 258439, 516878, 1033756, 1292195, 2584390, 5168780, 6460975, 12921950, 25843900]

約数ペア:

[(1, 25843900), (2, 12921950), (4, 6460975), (5, 5168780), (10, 2584390), (20, 1292195), (25, 1033756), (50, 516878), (100, 258439), (109, 237100), (218, 118550), (436, 59275), (545, 47420), (1090, 23710), (2180, 11855), (2371, 10900), (2725, 9484), (4742, 5450)]