23187140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{28277}}^1$

素因数の和:28327

約数の個数: 24

約数和(自身を含む): 49882392

約数和(自身を除く): 26695252

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 28277, 56554, 113108, 141385, 282770, 565540, 1159357, 2318714, 4637428, 5796785, 11593570, 23187140]

約数ペア:

[(1, 23187140), (2, 11593570), (4, 5796785), (5, 4637428), (10, 2318714), (20, 1159357), (41, 565540), (82, 282770), (164, 141385), (205, 113108), (410, 56554), (820, 28277)]