22916240

素因数分解:

$2^4\times 5^1\times {\mathrm{286453}}^1$

素因数の和:286466

約数の個数: 20

約数和(自身を含む): 53280444

約数和(自身を除く): 30364204

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 286453, 572906, 1145812, 1432265, 2291624, 2864530, 4583248, 5729060, 11458120, 22916240]

約数ペア:

[(1, 22916240), (2, 11458120), (4, 5729060), (5, 4583248), (8, 2864530), (10, 2291624), (16, 1432265), (20, 1145812), (40, 572906), (80, 286453)]