22230280

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1787}}^1$

素因数の和:2109

約数の個数: 32

約数和(自身を含む): 50207040

約数和(自身を除く): 27976760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 1787, 2488, 3110, 3574, 6220, 7148, 8935, 12440, 14296, 17870, 35740, 71480, 555757, 1111514, 2223028, 2778785, 4446056, 5557570, 11115140, 22230280]

約数ペア:

[(1, 22230280), (2, 11115140), (4, 5557570), (5, 4446056), (8, 2778785), (10, 2223028), (20, 1111514), (40, 555757), (311, 71480), (622, 35740), (1244, 17870), (1555, 14296), (1787, 12440), (2488, 8935), (3110, 7148), (3574, 6220)]