89608900

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{8221}}^1$

素因数の和:8344

約数の個数: 36

約数和(自身を含む): 196259140

約数和(自身を除く): 106650240

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 218, 436, 545, 1090, 2180, 2725, 5450, 8221, 10900, 16442, 32884, 41105, 82210, 164420, 205525, 411050, 822100, 896089, 1792178, 3584356, 4480445, 8960890, 17921780, 22402225, 44804450, 89608900]

約数ペア:

[(1, 89608900), (2, 44804450), (4, 22402225), (5, 17921780), (10, 8960890), (20, 4480445), (25, 3584356), (50, 1792178), (100, 896089), (109, 822100), (218, 411050), (436, 205525), (545, 164420), (1090, 82210), (2180, 41105), (2725, 32884), (5450, 16442), (8221, 10900)]