16641880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{18089}}^1$

素因数の和:18123

約数の個数: 32

約数和(自身を含む): 39074400

約数和(自身を除く): 22432520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 18089, 36178, 72356, 90445, 144712, 180890, 361780, 416047, 723560, 832094, 1664188, 2080235, 3328376, 4160470, 8320940, 16641880]

約数ペア:

[(1, 16641880), (2, 8320940), (4, 4160470), (5, 3328376), (8, 2080235), (10, 1664188), (20, 832094), (23, 723560), (40, 416047), (46, 361780), (92, 180890), (115, 144712), (184, 90445), (230, 72356), (460, 36178), (920, 18089)]