23161520

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{6733}}^1$

素因数の和:6789

約数の個数: 40

約数和(自身を含む): 55111056

約数和(自身を除く): 31949536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 6733, 13466, 26932, 33665, 53864, 67330, 107728, 134660, 269320, 289519, 538640, 579038, 1158076, 1447595, 2316152, 2895190, 4632304, 5790380, 11580760, 23161520]

約数ペア:

[(1, 23161520), (2, 11580760), (4, 5790380), (5, 4632304), (8, 2895190), (10, 2316152), (16, 1447595), (20, 1158076), (40, 579038), (43, 538640), (80, 289519), (86, 269320), (172, 134660), (215, 107728), (344, 67330), (430, 53864), (688, 33665), (860, 26932), (1720, 13466), (3440, 6733)]